The Front Touch Keys are displayed in a bar at the bottom of all of the screens to provide easy navigation within the device software.
The Front Touch Keys are displayed along the right side of the screen when the phone is held sideways.
Back Key: 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 Key: Tap to immediately return to the Home screen. Touch and hold to access your Recent apps list.
Menu Key: Tap to display the available Options menu.