WHAT IS IT ?
This application uses the flash of your camera located on the back of your phone. On some cameras the flash is not compatible particular version Ice Cream Sandwich.
WHO SHOULD USE IT ?
This program is primarily intended for the hard of hearing but also for people without hearing difficulties. If you return your device to face against the ground, you cut the ring, You will be notified with the flash of the camera.
GET THE PRO VERSION ?
Treat yourself to the pro version, more functionalities and many other benefits...