If you need Idea for developing apps . may be a list of this site will Inspiration your designing idea better . try to flowing list of this site .
Dribbble – Show and tell for designers
What are you working on? Dribbble is show and tell for designers
Inspired UI – Mobile Apps Design Patterns
Inspired UI. Mobile Apps Design Patterns [iPhone]. Hand-picked news: Designing the new Foursquare
A collection of screenshots encompassing some of the most beautiful looking Android apps.Aiming to provide inspiration and insight into Android UI conventions
Android App Patterns
Browse thousands of screenshots for Android app design inspiration