Shake your smartphone to turn on the light.
You can switch the light on and off even when the screen is off.
You can also adjust the sensitivity of the sensor that detects the shake.
It does not work on models without a light.
Even if there is a light, it does not work on models that can only blink for a moment as a flash and cannot keep it on.
This app does not take pictures or videos or record audio.
However, in order to turn on the light from an app developed by someone other than the device manufacturer, you need to grant permission to access the camera.