Lamp only displays a never-ending white screen which has no value expect that it can be used as a backup lamp. At the bottom of the screen, the battery percentage level is displayed.
No parameters, no special features - excepts that UP and DOWN buttons can be used to increase/decrease brightness. Tap on the screen to exit the application.
WARNING: if run unattended, this application can drain your mobile battery, as the device auto-off is disabled. Of course, default setting are restored when leaving the application.