A Lock Screen app is a very light (apk file size less than 72kb) and convenient app that help you to lock your phone's screen easily without having you to press the hard Power button. You will find it useful when: ✓ You just want a quick and convenient way to lock screen immediately. ✓ You don't want to always press hard power button to turn off / lock screen. ✓ No Ads! To uninstall Lock Screen app: 1. Go to phone's settings > Security > Device administrators > Uncheck Lock Screen. 2. Go