Home Touch Buttons
The Home Touch Buttons are displayed in a bar at the bottom of all of the screens to provide easy navigation within the device software.
Back button: Tap to back up one step at a time and close on-screen items such as pop-up messages, the on-screen keyboard, etc.
Home button: Tap to immediately return to the Home screen. Touch and hold it to access the Google shortcut.
Recent apps button: Tap to display the apps you've recently used (your open websites may also be displayed). Touch and hold it to access available options for the current screen or app.
NOTE | You can choose whether or not to display your open websites in the Recent Apps screen. From the Chrome app, tap the Options icon |