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. It has a CallerID function (but some devices may not work, so please try it first); S2P control plugin; and volume control.

Changes:

– further enhanced S2U2 Settings to edit the Exceptional EXEs list; change the run application after unlock;
and change “Language” (must download the language pack & copy it to S2U2’s installed folder first).
– added to show Caller/Sender pics on the missed call/message pop-up.
– added to show account name on the email pop-up.
– added option to show “Active” or “Due Today” task. (S2U2 Settings -> Information -> Task Count)
– added option to set the “Top Curtain” floats. (S2U2 Settings -> Appearance -> Top Curtain)
– added a new set of graphic files for showing the full-screen battery – battery0.png, battery10.png… battery100.png.
download the S2U2BatteryPack-QVGA.zip or S2U2BatteryPack-VGA.zip & refer to the BatteryReadme.txt inside for details.
– added option to show “Full Screen Battery on top of wallpaper”.
– added Mouse lock for Omnia.
– added option to show S2P current album pic or not.
– re-added option GDI to “Display Mode” with faster performance.
– moved the option “Lock when Screen is Blank” to Power section to cater on battery and external power situations.
– extended the limit of “Boot up Delay” to 60s.
– fixed the corrupted screen on Touch Pro 2 when the orientation is changed, change the “Display Mode” to GDI.
– fixed the mis-shown of Bluetooth icon on Touch Pro 2.
– improved compatibility with WM6.5 devices, especially the CallerID.
– a few minor bugs fixed.

http://forum.xda-developers.com/showthread.php?t=527523