One neat feature of BlackBerrys is that when you put the phone in its case, the screen automatically shuts off. The effect is only part novelty; after all, by shutting the screen off sooner, you're saving battery (although in all honesty, it's doubtful you're saving that much battery). Developer Fahrbot Mobile has devised a solution for Android that "uses a combination of sensors to control the sleep state and screen lock of any device... at the moment, it uses the proximity sensor, light sensor and accelerometer."

killswitch1 killswitch2

Sleeplessninjas has provided a video overview of the app (disclaimer: it's 6 minutes long):

Hit up the widget below to check out the free version, or jump right into the paid.

[Source: XDA-Developers]

The app was not found in the store. :-(

The app was not found in the store. :-(