A new version has just come out:
download it here:
http://iwindowsmobile.com/files/Winterface.exe
New features:
1. New start up gesture. Instead of "rainbow" upside down tick "^"
2. New gesture to close any current application "v".
3. The ability to add separate files on the screen.
4. New applets: Calendar and Tasks show the number of upcoming events and tasks
5. The ability to disable lock screen feature.
Fixed bugs:
1. There is no ability to delete Menu and Running.
2. Bugs with battery and bluetooth were also fixed.