This app works only with Smart Launcher This app uses the Device Administrator permission, in order to use a restricted API that allows to turn off your device screen This plugin will enable Smart Launcher to use some extra features. Actually you need this plugin to turn off the screen with a double tap using Smart Launcher. The plugin is very lightweight (only few kb) and doesn't influence battery life and memory usage. PLEASE NOTE: SL extra requires some advanced permission (just to turn of