Flattington is a theme for theme engine/theme chooser, which puts emphasis on flat and classy design with muted colors.
Compatible with XXHDPI/XHDPI devices.
-dialog windows and popups
-holo white and dark elements
-google plus action bar
-ringtone, notification, and alarm sound
Flux is designed with pixel perfect precision to give your phone a completely new modern look and feel! With high quality graphics and full of features, you will enjoy using your phone! Flux theme is compatible with CM11/PA (and every other rom with the new Theme Engine included) and works best with xxhdpi & xhdpi screen resolutions.
• Loading Spinners
• Boot Animations
• Themed System/Stock Icons
• And much more!
Theme available on Play Store
If you want your android phone looks as the iOS7 Iphone, you must install Cyanogenmod then you can apply this flat style theme:
More infos and download on XDA: IOS7 Theme for CM11