The overview button is the square button in the black bar along the bottom of your device screen. Already widely used in previous versions of Android, with Android 7.0 is has a new trick up its sleeve. Tap the overview button once to flip between your current app and a previous one.

What are the Android buttons called?

The Navigation Buttons on a device which are software oriented are called soft keys on Android Phones.

What are the 3 buttons at the bottom of android called?

3-button navigation — The traditional Android navigation system, with the Back, Home, and Overview/Recents buttons at the bottom.