Lamp, strobe light, SOS signal, animated neon and flashing emergency
White Screen Light is a free application that allows you to use your smartphone as a lamp to light up when you’re in the dark. Using the device’s display, without the use of the LED flash, the battery consumption is very low. You can also use this app to check the authenticity of banknotes, report your position with the strobe light, activate the distress signal SOS, effect animated neon and flashing emergency.
Detail information and download apk file: https://goo.gl/41djWG