NFTimer

This app works on the device it is installed on. There is no remote support yet (Chromecast etc) Android Oreo and above: Please enable the screen locking feature for NFTimer or disable Picture-in-Picture for the video application to guarantee proper operation. NEW! Now has the ability to lock the device when the timer runs out. Just enable screen locking in the NFTimer menu. It will lock your device normally as if you turned off the screen yourself!* Like the sound of a movie or show late in the evening? Now you can listen to your favorite videos as you lay down to sleep! Lose track of time easily? Use this timer to keep you on schedule! Using this app is simple: Set the timer, hit start, and then watch a video on your device. When the timer expires, the app comes to the foreground stopping video playback and your device's screen will timeout normally. *This app uses the Device Administrator permission to lock screen. This is NOT enabled by default. The permission must be enabled by the user for screen locking and can be disabled at any time