gloomy turns the whole screen into a single, very dim color. It is meant for finding your way in the dark without disturbing your night vision or raising your vigilance, e.g., checking on a sleeping child without blinding yourself or anyone else, or getting a glass of water at night. <b>Controls</b> <ul> <li>Swipe up or down, or use the volume keys, to make the light brighter or dimmer.</li> <li>Swipe left or right to move continuously from red through amber and yellow to white.</li> </ul> <b>Features</b> <ul> <li>Red by default, which preserves night vision best.</li> <li>Goes dimmer than the phone's lowest brightness setting by also dimming the color itself.</li> <li>Keeps the screen on and hides the status and navigation bars while open.</li> <li>Quick settings tile that opens gloomy straight from the lock screen, without unlocking the phone.</li> <li>Remembers the last color and brightness.</li> <li>Changes the screen brightness only while gloomy is open.</li> <li>No permissions, no network access, no ads, no tracking.</li> </ul>