via pdroms
S2U2 (Slide2Unlock2) is a simple lock/unlock application which has the iPhone style slide unlocking. It can be used as a screensaver while you don't use your device. And it's has a CallerID function (some devices may not work, so please try it first); and S2P control plugin.
http://forum.xda-developers.com/showthread.php?t=381588
