PERMISSION • ACCESSIBILITY_SERVICE to display overlay window for lock screen also used to provide accessibility function like lock screen, take screen shot and show power menu of mobile. • READ_NOTIFICATION read notification to show media control or notifications on lock screen. • Bluetooth permission for earbuds and airpods FEEDBACK • If you have any problems while using this application, please let us know we will check and update as soon as possible. This is Lock Screen is for Android 5.