If you're an Android user, you'll love Wake Lock - PowerManager. This app is a powerful tool that lets you control the power and the wifi connection of your device.

The main purpose of this app is to allow you to keep the screen on or to allow the device to run in standby mode. You can also turn off the wifi connection if you don't need it.

This app is simple and easy to use. You can keep the screen on in full brightness or dimmed mode.

You can also set a timer to have the screen turned off after a certain amount of time.