Domato App for e books publishing

Introduction This app is for publishing the e-books, and video content, for small kids user can signin and signup the application, using mobile number with otp authentication at the time of sign up, so to prevent the sign in of multiple user with same mobile number. Reference link of the app. [login to view URL] Requirements: Ebook The user can search the ebooks filter it with class, subject. Ebook will be of pdf format, which will be downloaded to the local storage, and the user can read it, after the payment. User cannot download the pdf into it mobile device. We have to make sure that user cannot download it to its mobile device, to prevent sharing. Videos The user can search the videos, filter it with class, subject. Videos will be downloaded to the app, after payment, but we have to make sure, that user cannot download it to its mobile device. A flash card section, which will contain title and description, and category, that flash card will randomly displayed on to the screen, for reference see the application. Purchase History section will display the purchase history of the user, includes payment history, the products purchased. Invite friends link for sharing app. Settings which will include, privacy policy, termes of service, clear space button. Other Requirements. The application should be build on react native .63, Hybrid should run on both android and Ios devices. The backend admin of the application should be build on laravel 8.0. And should include all the application modules crud operations. The code will be shared on bitbucket, and code review will be there from my side.