Lux

Lux is an Android application which uses the camera flash on the smart phone as a electric light. It is useful as a flashlight, an interior lamp and an emergency light.

Lux has 3 modes of lighting.
On ON mode, the camera flash always lights. It is useful as a flashlight and an interior lamp.
On FL mode, the camera flash blinks. It is useful for letting know your location in the dark. On this mode, you can change blink speed. So it is useful many situations depending on your inspirations.
On SOS mode, the camera flash lights as SOS signal. It repeats 3 short ONs and 3 long ONs. If you have Lux in your smart phone, you can feel secure in the outdoor.