That harsh blue light straining your eyes at night? Make your phone warmer & more comfortable to look at with Twilight. Automatically changes intensity depending on your local time. Headaches & sore eyes will be a thing of the past.
An app that changes the colour of your screen to minimise its impact on your sleep pattern (You can finally play with your droid all night, without having any trouble getting to sleep!) Check out f.lux for PC version.