Design an App Mockup for Would-Ya? iOS App!!!!!!

I have attached the screens I would like you to work on, I have also included the logo and background screen. - Yellow background screen - Splash screen - Home screen - Login screen - Sign up screen - Community Feed (similar to instagram news feed, where a user can upload a photo/video and other users can 'like' and 'comment' on it) I want someone to re-create my designs for the app. I want a nice, simple, minimal looking app. I don't want it to be square and 'bulky', I would like to use curved lines and circular profile pictures. The app is called 'Would Ya?'. The idea behind the app is that a user can upload a photo or video and then other users can comment, like, and 'challenge' other users. The challenge feature is what will make this app unique compared to other social networks such as Instagram. Users will upload pictures and videos of themselves doing exciting and outrageous things and other users are to challenge them. For example, A user uploads a photo of a bowl of chili's or a video of them eating chili's. I have more screens that I need done, so whoever impresses me the most will have some extra, ongoing work. Thank you