Home key
To access the home screen, press the home key briefly. Press the home key briefly again
to access the menu.
To view the list of active applications, press the home key for a few seconds. When the
list is open, press the home key briefly to scroll the list. To open the selected application,
press the home key for a few seconds, or press the scroll key. To close the selected
application, press the backspace key.
Leaving applications running in the background increases the demand on battery power
and reduces the battery life.