Design & develop mobile application on IOS & Android

We want to design & develop mobile application on IOS & Android with administration section to manage music, video, ring tones, users, subscriptions & purchases. Project requirements a mobile phone application to allow a user to 1. pay & subscribe to music / songs 2. purchase ringtones 3. purchase short videos after watching free trailers. Scope of work: o Mobile app users can do the following: o Buy subscription for music / songs o Buy ring tone o Buy video access o View video trailers o Share video trailers & ringtone details with social friends o Add to favorites o Sign up & sign in o Manage their profile o In app purchases using platform specific stores like google play & ios or payment gateways. The selected developer must be willing to sign an NDA prior to full disclosure of the project. If you have the skill sets, and experience with the Android and IOS SDK and think you can deliver on project please submit your honest time and cost.