For phones, tablets and devices without a camera LED.

Use your screen as a torch.
White color for normal use. Red color for non-blinding.
Switch colors by tapping on the rectangle.
Automatically brightens the screen and returns to your setting.
Does not use the camera LED.
Suitable for tablets and phones, all screen sizes.
Supports android 2.2 up

Free. No Ads. No Permissions.
Suitable for all screen sizes.

Useful for night navigation, map reading, orienteering, rogaining, and just playing around in the dark.

Warning: not suitable for use as a photographic safelight.
- LCD screens have a white backlight and you can expect leakage at all wavelengths.
- OLED red LEDs emit some light below 600nm

Problems, suggestions, requests: send by email to developer
Source code: github.com/kodintent/RedWhiteScreenBright