I’ve found what I think is one of the nicest Android custom themes available. I’ve been using Flat Gem CM11 for about a week now and I find it very difficult to fault. It’s quite an understated, flat theme that goes deep into the OS and tweaks the look of pretty much everything you would normally associate with Android itself.

 

Gem Flat CM11 Volume
Gem Flat CM11 Volume
Gem Flat CM11 Quick Settings
Gem Flat CM11 Quick Settings
Gem Flat CM11 Notifications
Gem Flat CM11 Notifications
Gem Flat CM11 Settings
Gem Flat CM11 Settings
Gem Flat CM11 Phone
Gem Flat CM11 Phone
Gem Flat CM11 Clock
Gem Flat CM11 Clock