Free Download Gem Flat CM12 Theme v3.0 apk Gem Flat CM12 Theme v3.0 Requirements: 2.3 and up Overview: **IMPORTANT: Only for use with the Theme Chooser Engine. A custom, rooted ROM with this feature is needed to use this app!! If you do not know what I'm talking about, this app isn't for you! Gem Flat is a theme for those who want a flatter Android UI, it takes holoyolo to another level. This is done by using the Theme Chooser Engine available in most custom ROMs.Free Download Gem Flat CM12 Theme v3.0 apk