http://ppcsoft.narod.ru/english/
How to install this software?
Download the psshutxp_eng.xscale.cab or psshutxp_eng.vga.xscale.cab for VGA version to your desktop PC and copy the file to your device using ActiveSync. On the device click on cab file in the file explorer. Setup procedure will start only on the device. You can find program in default folder - "\Program Files\psShutXP". After first run psShutXP creates two icons in "Program" folder psShutXP and Display Switch (bind it with your favorite button) and switch Display in any time while other program working.