All versions of Sleepless in AP:Keep screen on

1.8.7 * Fix some devices which are not working. 1.8.6 * If this APP doesn't work sometimes, please enable "Draw over other apps" for it. (for Androi 6.0 and above) 1.8.3 * Really, fixed the bug when notification bar is showing (plz give me a chance again ...orz) * Support Android 7.0 Nougat! * Fix Forced Close of version 1.8.1 - To use Sleepless in APP on Android 5.0 or above, you must go to "Settings -> Security -> Apps with usage access" and enable access of "Sleepless in APP"