Optimizes your phone (more responsive) and speeds up the boot process. Will work on android versions from 1.6 -2 .3+
Tested on HTC Desire, HTC Desire Z, HTC Dream, HTC Magic, HTC Hero, Samsung Galaxy and HTC Tattoo.
-unused log files
-Check SD filesystem (on some devices only)
-optimize network settings
-optimize boot process (to speedup boot process)
NO USER DATA IS EVER DELETED WITHOUT WARNING!