Simple Theme is an Android app developed by LL App Group (Luo group Center 315 Lockhart Road Wanchai, Hong Kong). Others apps created by LL App Group are: AFast Launcher, Circle Flat Theme - KK Launcher, Xperia Theme - KK Launcher, L Launcher, L Locker.

Simple Theme first became available on 23 Sep 2014. It is estimated that Simple Theme has been downloaded between 100000 and 500000 times from the Play Store.