Http post file android upload jobber

I am in need of a skilled mobile app developer to create a cross-platform (Android and iOS) application. The app is specifically designed for construction and facility management professionals and its primary function is to perform defects analysis. It should offer a user-friendly interface and reliable performance across both platforms. Key requirements: - Cross-platform development expertise (Android and iOS) to develop the ap readyy to launch on play and apple store - Experience with data analysis functionalities in mobile apps - Understanding of business user needs and intuitive UI/UX design - Ability to create a reliable and scalable app for long-term use - integrate app to generate itemized reports with photos and mark up PDF documents with locations of each item -...

I'm in need of an experienced UI/UX designer with hands-on Developing skills using ReactNative. The mobile app will be developed for both Android and iOS platforms. Looking for support for Revamp work. If you're well-versed in these elements and have a knack for intuitive, user-friendly design, I'd love to see your portfolio and discuss this further. Location - Bangalore Ideal skills: - ReactNative development experience - UI/UX Design - Android and iOS development References of projects with a modern and sleek design would be a plus.

I need to create a small HTML file to print offers and discounts, just like the attached one. Title, Price, Product name and logo below. It is to print on a horizontal A4 sheet. I need this in html format.

I'm in need of someone who can help me in creating digital versions of my product catalogs. - The products in the catalogs are home goods, so experience in this sector would be very beneficial for this job. - I prefer the products to be organized by category, as it's the most logical and convenient way for my customers to navigate through the...through them. - Since I don't have any digital versions yet, I'll need someone who can start from scratch. Ideal Skills: - Experience in creating digital product catalogs, especially in the home goods sector - Familiarity with organizing products by category - Ability to work independently and efficiently on this project To visit site in nugambakkam chennai to take pics of the products and upload into a catalogue, o...

I'm in need of an experienced Android developer to create a productivity app that primarily focuses on calculations. Key Features: - The app will be centered around calculation functions - Users should be able to make basic arithmetic calculations - The app needs to be user-friendly and intuitive for quick calculations Ideal Skills and Experience: - Strong background in Android development, proficient in Java or Kotlin - Previous experience building productivity apps - Prior experience working with calculation functions - A good understanding of UX/UI in mobile apps

I'm seeking an adept Shopify developer to work on my existing online store which primarily sells physical products. Key tasks include: - Expert theme editing to align with my brand and aesthetic - Efficient product uploads with specific considerations to product descriptions, images, and pricing. Ideal Skills & Experience: - Proven proficiency in Shopify - Experience in theme customization - Understanding of eCommerce product management The goal is to improve store functionality and overall user experience. Your expertise will play a vital role in optimizing my Shopify store for increased engagement and conversions. Time efficiency and attention to detail are imperative for this project. Please ensure your bid reflects your capability to deliver this project according ...

Hello, I'm lookin for an skilled android app developer. Please read my requirements carefully & then start bidding. Actually I made an app through No code platform & I also implemented in-app-purchases in it. My app is an education app & provide test series & notes to series I implemented through wp ays quiz maker & display in app in web view format. Can is this possible if you can make a new app & transfer all quiz to new app. Is it also possible that I can migrate my previous paid users to new app so that they don't have to pay again on new app. I hope you understood my requirements. Thanks in advance.

As an author, I have a 46-page book for which I require professional assistance to format. I intend to upload this on Kindle's Print on Demand (POD). My expectations and guidelines for this task are as follows: * Generate a formatted version of the manuscript in PDF format compatible with Kindle POD. * Ensure the dimensions of the book perfectly fit an 8.5" x 11" size. * The contents of the book are already laid out. Skills and Experience Required: * Proficiency in PDF format conversions and manuscript formatting. * Prior experience working with Kindle's POD or similar self-publishing platforms. Please take every minute detail into account when formatting the book to preserve the integrity of the original manuscript.

I'm seeking an experienced Android developer to build an app targeted at general public and businesses. The app should have key functionalities such as: - User login and registration capabilities - In-app messaging features - Capability to send push notifications Apart from the technical development, I also require assistance in app design and wireframing. I'm open to creative input. Ideal freelancers should have a strong background in both Android development and app design. Experience working on similar projects is a definite plus. Looking for someone who can bring professionalism, enthusiasm and creativity to this project.

I'm seeking a capable professional to develop an Android application utilizing Appsheet with the main function focused on recording customer meter readings for our utility company. Ideal Skills and Experience: - Proficiency in Android app development - Experience with Appsheet - Possess understanding of location tracking feature integration Project Features: - The application must record and store meter readings efficiently for each customer. - An incorporated location tracking feature is required to know the exact locations of each reading. No offline access or data backup features are needed. The main emphasis should be on user-friendly interaction and seamless performance. Kindly bid with your estimated timelines and any other suggestions you think could enhance...

I'm looking to build a website to showcase my portfolio. The site should consist of a few key components: Homepage: Primarily serving as an introduction to visitors. It should include a brief personal description, highlight key projects I've worked on, and provide links to other projects. Indiv...Contact Page: Finally, the site should have a dedicated contact page to make it easy for visitors to get in touch with me. I am seeking a skilled web developer with experience in portfolio sites. The ideal candidate should be proficient in: - HTML, CSS, and Javascript - Responsive Web Design - CMS (Content Management System) - SEO optimization Better option is in Wordpress because i want to upload new content in the future Please provide examples of previous portfolio websit...

I'm seeking an experienced app developer with a strong background in Android TV app creation and a keen understanding of product showcasing. The app's main purpose is to run a website facilitating live streaming of a website. The website's principal goal is to exhibit our time-sensitive products/services. Relevant skills and experience required include: - Proficiency in android TV app development - Familiarity with live streaming technologies - Experience in designing product showcasing platforms - Understanding of time-based services/applications. Knowledge in handling electronic devices category would be advantageous. Your ability to deliver on a stringent timeline is essential for the success of this project.

The project consist to convert a json format file to some csv format files

I'm looking for a skilled professional who can convert a DWG file into a high-detail point-cloud format suitable for 3D modeling. Requirements: - 3D Modeling Purpose: The main aim of this conversion is to create a detailed 3D model from the DWG file. This means the conversion needs to be suitable for high-quality 3D rendering and animation. - Level of Detail: The converted point cloud should include complex geometries and textures. This project is not just about basic geometry conversion, but about capturing intricate details accurately. - Software Compatibility: The final model should be compatible with Potree Viewer. This is crucial for visualization and possible further design work using this platform. Ideal Skills: - Proficient with Point Cloud Conversion: The su...

I need someone to display my YouTube comments based on newest first. I use PHBB forum so I would like it shown on top. It can accept html and php I believe. It should only show 5 latest. So if you can create this on your site I can upload it to mine and so we can see this on a blank page. Then I need code to insert into my Phbb forum

I'm seeking an experienced SEO expert to improve the current performance and visibility of our website. Here's what the project entails: 1. Find out all of AI article and listed it from our corrently article. 2. Write high quality 2000-2500 new articles to replace the AI articles, we can talk about this price later on. 3. Anylasis all of post according to keywords, find out repeated or nearly repeated url list, and give suggestion on which list should be deleted or replaced - On-Page Optimization: The SEO specialist will also need to optimize our website's on-page elements. This includes refining meta tags, heading tags, image alt attributes, and other on-page SEO factors. The primary goal is to make our website more search engine friendly and improve our ranking in...

I need assistance completing a simple WordPress plugin that posts directory data to a database and displays it on a page. The data includes names, images, and links extracted from HTML. Therefore, the required functionalities include: - Form submission - to post HTML data to the database. - Data visualization - to display posted data on the webpage. Ideally, the freelancer should have: - Proficiency in WordPress plugin development, - Expertise in HTML, and - Familiarity with handling data through form submission and visualization techniques. The data integration will not involve manual input, spreadsheet import, or API connection as the data is already displayed on the page. We just need it saved. This is to complete a mostly complete wordpress plugin which already captures t...

I am looking for a skilled software developer to create a desktop application to effectively manage my travel packages. This program should be cross-platform, operating seamlessly on both Mac and Windows. The key features I require include: - Easy package upload, to allow swift and efficient input of travel package details. - A calendar for scheduling, to organize and view package availability. - User access management capabilities, to provide different access levels for administrative tasks. Experience in designing software compatible with multiple operating systems, as well as a background in creating user-friendly interfaces is highly desirable. Knowledge of the travel industry is a bonus, but not essential. The successful freelancer will deliver a robust, fast, and intuitive s...

As a business owner and marketer, I am looking for a Podcast Spec...for a combined audience of Small business owners, Marketers in SaaS industry, and Entrepreneurs in digital marketing Ideal Skills: - Deep understanding and experience in SaaS Marketing, Digital Marketing, and Business - Prior experience in podcast production, especially in the specified topics - Ability to create engaging content for multiple groups of listeners - Proficient in audio editing and post-production The ideal candidate will be someone who can bring creativity, professionalism, and a deep understanding of the target audience to the table. The exact length of each episode is still to be determined, so flexibility and ability to adapt are key. I'm open to suggestions and ideas on how to make this pod...

...multiple platforms. Key Requirements: - The chosen social media platforms for this project are YouTube, Facebook, and Instagram. - Each freelancer is expected to post 10 comments on each platform. - It's imperative that the comments are original and not based on pre-existing templates. We are looking for 10 dedicated freelancers to assist us in posting comments on various YouTube and social media platforms related to weight loss products. These platforms should have significant search volumes and engagement on topics surrounding weight loss and dietary supplements. Project Details: Task: Each freelancer will be required to post 10 comments on different YouTube videos and social media posts related to weight loss products. Content of Comments: The comments should...

I'm seeking a skilled food photographer to create enticing images of entrees for my restaurant menu. I am particularly interested in having the photos exhibit a stylish aesthetic. The ideal freelancer should have: - Proficient experience in food photography, specifically within a...the photos exhibit a stylish aesthetic. The ideal freelancer should have: - Proficient experience in food photography, specifically within a stylish, modern context. - Understanding how to highlight entrees making them the standout feature. - Abilities to work independently and capture the essence of my restaurant's menu. Your bid should include time for consultation, setup, actual shooting and post-production. I look forward to vibrant, stylish photographs that will make my entrees irresisti...

I have an Android application that requires a full UI and UX overhaul. The current version of the app is plagued by a number of usability and design issues, which I believe are significantly impacting the user experience. I'm seeking a skilled and experienced UI/UX designer who can completely revamp the app to make it more intuitive and visually appealing. Key Responsibilities: - Conduct a thorough assessment of the current design and user experience - Identify key problem areas and suggest practical solutions - Create a new design that is modern, user-friendly, and in line with the latest industry standards - Implement the new design into the existing app, ensuring that all functionalities are preserved - Conduct rigorous testing to ensure that the new design is bug-free and ...

I need a developer who can build IOS version in react native also build android version code is ready you need just Mac machine to build the code and push the app to test flight and google store budget 50$

...skilled developer to help put the final touches on a betting mobile game I've been building, exclusive to Android. Major features I'd like introduced include: - In-app purchases: By integrating this feature, I hope to enhance game monetization and improve user engagement. - Multiplayer mode: The game aims to be sociable, thus the need to enable users to play with(and against) their friends and other users worldwide. - Leaderboards: To foster competitiveness, incorporating a leaderboard to rank players based on their gaming prowess is vital. Ideal candidates should have previous experience in game development, specifically betting games, and possess a strong understanding of the Android platform. Familiarity with the integration of in-app purchases, multiplayer f...

I'm seeking a developer who can create a script or plugin that pulls content from Facebook, Twitter, and Instagram on a daily basis and automatically imports them into my WordPress site as separate posts. Key Requirements: - Scheduled Import: The content should be imported into WordPress daily as individual posts. - Post Categorization: Each imported post should be assigned a category based on its source (e.g. Facebook, Twitter, Instagram). - Immediate Publishing: The imported posts should be published immediately upon import. - Instructions on how to setup App/ID/secret for each social channel Ideal Skills: - Strong knowledge of WordPress and its internal mechanisms. - Proficiency in working with the APIs of Facebook, Twitter, and Instagram. - Experience in developin...

...versatile webapp for both iOS and Android, with the following key features and functionalities: - The webapp should have a hybrid design, but I'm not sure yet if it will be a hybrid app or separate apps for iOS and Android. Your insights and expertise in this regard will be greatly appreciated. - The primary function of the app is to load a specific website URL. In addition to this, the app should have a menu at the bottom of the screen with 5 specific links that will be provided. - The website URL should be loaded within the webapp itself, rather than opening in a separate browser. - The app should be user-friendly, responsive, and optimized for both iOS and Android platforms. Ideal Skills and Experience: - Proficiency in app development for both iOS and ...

...will be to call potential customers to determine their need for ERP systems, explain the benefits of our ERP solutions, schedule demos, and ultimately convert leads into clients. Responsibilities: Contact potential customers to gauge their interest in ERP systems. Explain the benefits and features of our ERP systems. Schedule and conduct demos for interested customers. Follow up with customers post-demo to address any questions and facilitate the sales process. Maintain records of calls and sales and note useful information. Requirements: Excellent communication skills in English, Hindi, and Bengali(not mandatory). Previous experience in telecalling or sales is a plus. Basic understanding of ERP systems is desirable but not mandatory. Ability to persuade and negotiate with cu...

I am searching for a skilled website designer and developer to build a dynamic website. This site will enable members to sign in, register, and upload documents. Your expertise should fall within: - Web Design and Development: You should have proven experience in designing visually appealing and user-friendly websites. - Dynamic User Registration and Login: Users must be able to register and log in to the website with basic password protection. A strong understanding of user privacy and data protection is necessary. - Document Uploading and Storage: You need to develop a secure, reliable system for users to upload and store documents. Experience with handling large files and cloud storage solutions will be a plus. Understanding of both front-end and back-end development a...

I need an experienced Maui/Xamarin programmer who can write a native code helpe...programmer who can write a native code helper to access(CRUD) the notes field of a selected contact in contacts/phonebook. Primarily for Android bu need to do same on iOS. Therefore programmer needs familiarity with within .net Maui project targetting Android iOs 1) Android code helper 'getnotes(contactid)', returning the notes field of the selected contact Id 'savenotes(contactid,newnote)', posts edited/new notes to notes field of contact Id 2) ditto for iOs Note Maui has an interface to both iOs and Android phoebook/contacts. It does not however offer access to Notes field - therefore this has to be done using native code. In Android my pref...

I'm seeking a proficient mobile application developer to create an Android-based Hostel Management application. This app must streamline the following primary functions: - Room booking management: enables guests to reserve rooms with ease and administrators to oversee room status and availability. - Staff scheduling: helps in managing the work schedule of hostel staff. The capability to generate schedules, assign tasks, and manage shifts is required. - Visitor/Guest registration: facilitates fast and efficient registration of guests. An ideal candidate would be an experienced Android app developer, with a good understanding of API integration as the application needs to communicate with our existing systems. Candidates with background or experience in developing hot...

...variables such as distance from phone to the object in the center of the screen and etc to the files app. I would like you to: - Instead of saving the image,depthmap and other variables (current in a json file) in the files app - Send the images and other data to a server via HTTP post request, and display the received processed image back from the server on the screen along with other data as well. Budget is only $150 as this is a 3 hours work max. Ideal Skills and Experience: - Proficient in Swift and iOS app development - Experience in camera/lidar feature - Knowledge of handling HTTP POST requests - Familiarity with server-side image processing - Strong understanding of UI/UX design, especially image rendering Please note that the app is alread...

...application available on both iOS and Android platforms. The app should have distinct features such as: - User login and registration - Push notifications - In-app messaging - Instant task and task status updates - Task-wise inventory functionality - Task completion insights - Features to highlight incentives, with filtering options based on locality Additionally, a functional CRM system is desired for: - Monitoring customer interactions - Generating sales reports - Streamlining contact management, and - Real-time tracking of earnings and redemptions. Ideal candidates for this project should have experience in mobile app development, CRM systems, and a deep understanding of customer operations. Proficiency in developing across both iOS and Android platforms is c...

I have an Adobe Illustrator file that I'd like to convert into a PES file for a larger than 8x8 inches embroidery design. Skills required: - Proficiency in both Adobe Illustrator and embroidery file formats - Experience with large-scale embroidery designs - Ability to accurately convert design while maintaining its integrity - Strong communication skills to provide a detailed project proposal Please include in your proposal: - Your experience with similar projects - Your approach to converting the design while ensuring the quality and size requirements are met - Any suggestions you may have to enhance the embroidery design.

...allow users to choose their desired bus route. Design: The design of the application should be minimalist and clean. The focus should be on simplicity and ease of use. Nepal Payment Gateway: I prefer to integrate Nepal's payment as the payment gateway into the application. Please make sure that the integration is secure and user-friendly. Ideal Skills: - Proficient in Flutter for both iOS and Android platforms. - Experience in designing user-friendly and clean interfaces. - Prior experience with integrating PayPal or similar payment gateways. - Excellent communication and time-management skills. I am looking for a developer who can deliver a high-quality application that meets the requirements stated above. Please provide examples of your previous work and a rough estim...

I'm in need of a graphic designer who can create both social media graphics and print design. The platforms for the social media graphics will be Facebook and Instagram. Specifically, I require: - Post images for both platforms. - Videos and Reels for increased engagement. CANDIDATE MUST BE BASED IN JAIPUR ONLY. The perfect candidate will have experience in creating stunning and engaging designs for social media and print, including images and short videos. An in-depth understanding of Instagram Reels and Facebook's algorithms would be highly regarded. This project demands creativity, innovation, and a keen eye for detail. Please provide examples of previous social media graphics, especially Videos and Instagram Reels, while bidding.

The task involves integrating a machine learning model, specifically in the ONNX format, into a Flutter application to enable text classification into five categories based on user descriptions. This requires the development of a custom Flutter plugin that facilitates communication between Flutter's Dart code and native code on both Android and iOS platforms. The plugin will utilize the ONNX Runtime to handle the loading and execution of the model, with the Flutter application calling this plugin to process and classify text inputs. (My budget is no more than 30 euros but i will habe 3 models on the same application if you are successful so please do not waste both of our time if you dont have time or dont agree with the budget.)

...process for extracting data from PDF files and converting it into JSON format. The PDFs, such as the example provided here, vary in format and column structure based on their categories. The solution should not require downloading the PDFs manually. Sample URLs Requirements: - Develop a tool or API endpoint for extracting data from PDF files located at given extracted PDF table data into JSON format. - Handle various PDF formats with different column structures. - Preferred tech stack: PHP (Laravel), Node.js, or

[fixed30 dollar] 2 hours daily for 31days means 62 hours [fixed15dollar] 1 hours daily for 31days means 31 hours Canva video task: 3. upload videos evvery day for my SNS s 1. youtube . OBS setting 2. stmp mail maketing setting 4. canva

I'm looking for a skilled digitizer to convert my SVG file into a PES file which can be used on an embroidery machine. The finished design should be compatible with an embroidery machine to be used on various garments. Key Requirements: - Convert a provided SVG file into a PES file for an embroidery machine - Create the digitized design in multiple sizes suitable for various garments - The design should not require specific thread colors, any colors will do Ideal Skills and Experience: - Prior experience in creating PES files for an embroidery machine - Proficiency in scaling designs to fit different garment sizes - Understanding of how to maintain design integrity with different thread colors Please provide examples of similar work you've done in t...

Our mobile website is facing issues with slow loading times. This is primarily due to the presence of scripts, images / embedded videos. To address this, we're looking for an experienced professional who can optimize the website's speed while maintaining its mobile responsiveness. - Ensure that the site remains fully responsive on mobile devices post optimization and the loading time in less than 3 seconds. Your primary goal should be to enhance the overall user experience on the mobile platform. You will be instrumental in making our site more user-friendly and improving its overall performance.

The developer should have the following skills and experience: 1. Proficient in Java, Kotlin and other programming languages; 2. Have a deep understanding of Android platform, familiar with Android SDK and related tools; 3. -- If you have an already published app you can! Out -- for s-a-l-e! . If you are interested, please feel free to contact us and look forward to further communication with you.

I'm in need of a skilled Instagram manager who can handle the following tasks on a monthly basis, and help us boost our presence on the platform: - Post Creation: I'm looking for someone who can create and post content on our Instagram account, as frequently as needed. This includes both regular posts and reels. - Strategy & Planning: A key part of this role is devising a content strategy that aligns with our brand and objectives. You should be capable of coming up with engaging and creative ideas for content. - Growth Reports: You'll be responsible for tracking our progress and generating reports on the growth of the account. This will inform our strategic decisions moving forward. - Goal-Oriented Approach: Our primary objectives with this project are to...

I'm searching for an experienced Android developer to work on a self-help app that targets elderly users. The primary goal of the app is to track the user's progress. Key Features: - User Registration and Login: The app should incorporate a straightforward registration and login system to ensure user engagement. - In-App Purchases: It's essential that the app supports in-app purchases to enable users to access premium content or features. The developer should have the following skills and experience: 1. Proficient in Java, Kotlin and other programming languages; 2. Have a deep understanding of Android platform, familiar with Android SDK and related tools; 3. -- If you have an already published app you can! Out -- for s-a-l-e! . If you are interested...

...bedienen sein und besteht maximal aus 3 Elementen: 1 Button, Ein Bereich wo ein Text angezeigt wird und falls möglich eine Zeit die abläuft. Plattform: Die App sollte idealerweise für Android-Geräte verfügbar sein. Eine mobile Web-App wäre ebenfalls eine Option. Ihre Expertise: Ich bin gespannt, ob Sie mir bei der Umsetzung dieser Idee helfen können. Bitte teilen Sie mir mit, ob Sie Erfahrung mit der Entwicklung von Apps für Android oder mobile Web-Apps haben und ob Sie der Meinung sind, dass diese App mit einem App-Baukastensystem oder durch Programmierung realisiert werden kann. I'm in search of a competent Android app developer to help realize my app concept. This app aims to stimulate bonding moments between couple...

I'm seeking an Android developer with a strong grasp of Java programming, Android SDK, and UI/UX design for a straightforward project. Key Features: - The app should be capable of user authentication. Primary Goal: - The main objective is to create a basic calculative with admin approval of features and scrollong images which can be changed application. App is similar to video attached The ideal candidate will have experience in developing clean, user-friendly Android applications with a focus on accurate calculations. Experience in UI/UX design is a plus, as we aim to provide a sleek and intuitive user interface.

We are seeking a skilled developer to create a self-service car wash system that can be used on both Android and iOS platforms. The system should allow users to easily locate nearby car wash stations, select their preferred service package, make payments, and receive notifications. The ideal candidate should have expertise in Android and iOS app development, as well as experience with GPS integration, payment gateways, and push notifications. 1. At least 2 years of experience in Android application development 2. Proficient in Java or Kotlin programming languages and Android development tools and frameworks 3. Have a certain understanding of mobile application design and user experience 4. If you have published applications for s-/--a--/--l---/-e, I am intere...

I'm in search of a talented and experienced UI/UX designer to overhaul the current interface of our Flutter application. The app is primarily targeted at Android users and is designed to help individuals self-organize their events. While the app is functionally sound, the UI/UX design is currently lacking and I'm looking to improve user engagement through a complete redesign. Key Areas for Improvement: - Color Scheme and Theme: The current color scheme and overall theme need to be reevaluated to ensure they resonate with our user base and enhance the overall aesthetic appeal of the app. - Layout and Structure: The app's layout and structure require a more intuitive and user-friendly design. I'm looking for a designer who can create a more organized and visually ...

I need android developer who has good experience with App developemnt for Android platfrom. - UI part: Only 2 pages to implement but need some eye catching and mordern. - Funtion part: Integrating c++ code with .so lib in one page for controlling led. Please feel free to contact me if you have interest in this project. Thanks.

Main Features: 1. Image Upload: Users will be able to take a photo of handwri;en text or upload an exis9ng image. 2. Technical Characteris9cs Analysis: Using op9cal character recogni9on (OCR) algorithms and handwri9ng analysis, the tool will extract text from the image and analyze technical features of handwri9ng such as size, inclina9on, spacing, pressure, etc. as well as characteris9cs that come from that analysis (extroverts person, shy, etc.) 3. Prac9cal Characteris9cs Analysis: Based on a reference book, the tool will analyze prac9cal features of handwri9ng such as speed, rhythm, le;er shape, readability, etc. 4. Personalized Feedback: Users will receive personalized feedback describing the detected characteris9cs and providing an explana9on of their meaning. Addi9onally...

I'm looking for a skilled Android developer to create an Instagram application that focuses on driving sales for my products. Key Requirements: - Development of an Android app: The app should be fully compatible with Android devices, providing a smooth and user-friendly experience. - E-commerce Integration: The app should integrate seamlessly with an e-commerce platform, allowing users to easily discover and purchase my products. Ideal Skills and Experience: - Android App Development: Proven expertise in developing high-quality Android applications. - E-commerce Integration: Previous experience with integrating mobile apps with e-commerce platforms is highly desired. - Sales-Driven Development: Familiarity with mobile app features and design that...