A free program for Android, by keytools inc.
Smart Screen Off: Double tap to off screen is an easy-to-use application that will turn your smartphone or tablet screen off after a specified amount of time. It is a useful app for those who want to stop using their devices for a while and then resume use. It is also useful for those who need to take a break from their smartphone or tablet and then resume use. It is not a full-screen app and does not stop the user from using the phone or tablet.
It has a simple user interface that is easy to use. It is compatible with most screen resolutions and it does not require an internet connection. It can be used for a while and then stopped without losing the data.
It has an advanced setting that allows the user to set the amount of time that the screen will be off. It can be used for a while and then stopped. It has a notification that allows the user to set the time and the notification can be stopped.
It has a setting that allows the user to turn the notification off.