adding features on Snapchat app

As we can see, a lot of apps have additional copy of them with enhanced features like YouTube plus, twitter plus and snapchat plus For me, I want a similar thing. I need a developer to make for me a special app from snap chat with additional features and to include my addmob Ads and teach me how to add my Ads and control them in the application. What I want is app for iphone. If you have worked with similar project and you have plan on how to do that put down your proposal. In conclusion, you'll have to add these features on the original snap chat 1. adding filter for all users like city filter. 2. adding my special addmob Ads and teaching me how to do that. 3. Upload photos or videos from the studio. 4. The ability to add my own filters. 5. The ability to save pictures and videos of your personal and historical. 6. Shoot more than 10 seconds up to 50 seconds. 7. Upload images with high quality. 8. Watch the snaps without the knowledge of the addicts. 9. Lock the snap with a secret number. 10. Screen capture without the knowledge of the other party. 11. Change your location. The end project will be similar to this in the link: [login to view URL]