Screen-dimming app f.lux is now availble for beta testing on Android
Update: f.lux is now available in the Play Store.
There are many apps that change the color temperature of a screen throughout the day. Many of these apps claim to help users sleep by limiting exposure to blue light at night that can distort the natural circadian rhythm. One of the first and most well-known entrants to this market is f.lux. They have finally released a beta for Android and it is available for testing.
