Its simple. Play your favorite music or any video on any platform, Lock timer will stop audio/video, lock your screen and will do other preferences set by you.Features - Lock Screen (Requires admin permission. You can always remove afterwards.) - Stop audio/video - Disable Bluetooth - Disable Wi-Fi (Below Android Q) - Disable cellular data (Below Android Q)Note: Please contact me via email for your questions, advices and in-app problems/bugs.