personally, I like transparency, but not the darker, rather than lighter screens iOS 7 App Screens PSD | GraphicBurger
I'm working on a weather app concept. UPDATE: Currently on development
Summly app. Not sure if I said this before, but this App is a land mine of an UI.
Dribbble - Music_Ui.jpg by Mike | Creative Mints
Cool but not sure how some apps could make it applicable
Creative UI Design by Cosmin Capitanu