take photos with screen turned off
shows previously entered wifi passwords
networks list shows all wifi access points
device info; SN, IMEI, ECID, BT & WiFi addresses.
turns off your screen like an old TV tube
launch an app when power is plugged in
Try and smash as many plates as you can in 30 seconds
Allows apps to continue to run & WiFi to stay connected long after the screen has been switched off