Player & Screen Button UI by Chris Farina via Dribbble
Free Mobile Game GUI
Design -1 / 1 UI Design
[Game level icon design] copyright: jingx ...
Express Retina Graphical User Interface - GraphicRiver Item for Sale
Minimal Light User Interface by Diego Monzon http://dribbble.com/shots/808157-Minimal-Light-User-Interface-Freebie
This app is a nice change from the standard iOS7 apps that have been getting released lately. Its still has a nice clean design but it also involves more complicated elements that make for a nice relaxing interface.