With the Galaxy S III and Galaxy Note II, Samsung introduced a ton of gimmicky features in an effort to impress us. Some of them just don’t work all that well, but others, such as Multi-Window, are pretty useful.

Another feature that’s become quite popular is called SmartStay, which uses the front facing camera to detect when a user is looking at the display. This allows it to keep the display on when their eyes are on the screen, and then turn it off when they look away, conserving previous battery life.

Unfortunately, Smart Stay is exclusive to Galaxy devices, but there are third-party alternatives you can use on your devices. Here’s how to set up one of them called SmartStay Ex.