LG's arsenal of screen-off and screen-on tap gestures recently expanded into lock screen territory. Dubbed "Knock Code", this feature allows owners of various LG phones, like the G2 and upcoming G3 to unlock their phone with a series of taps on the screen. The most impressive part is that the screen doesn't even need to be on!
For the most part, awesome features like that require modded kernels so that the screen can recognize touch input, even while asleep. It doesn't seem like the Galaxy S3 will be getting such a kernel anytime soon, but developer Mohammad AG has brought us the next best... more