Use this app for green key background or Green Screen Flashlight. Shows green screen on phone to light the night without ruining your night time vision. Green only flashlight app! Bright, Handy, simple and fast! This application from your mobile phone into a green flashlight. The screen is used to produce an intense green. - It's green! - Works on any Android device. - It's the brightest, fastest, handiest and simplest green flashlight on Android. - Do not Requires camera with flash and LED. -