You can get the three-button navigation bar back on Android by opening Settings and selecting 3-button Navigation under ...

With your button selected, the app gives you a range of physical interactions to map. For example, you can set a double tap to do something, a long press to do something else, and so on. Start ...

A new Google app beta tries removing the prominent Search button from the screen-bottom nav bar. Google appears to be experimenting with several alternate layouts for the navigation interface.