Take a look:
http://www.fuzemobility.com/multitou...e-or-software/
On a Windows device pressing two points leads to a key press of a point in between those points. That means for games you can create a virtual key in between the two points that is mapped as pressing both buttons. It works right now on your device. Just press down with a sharp object (like two styluses) on two points and the point in the middle will be 'pressed'. It's not very easy to do consistently but it does work.
This means games can be created for multitouch as long as virtual keys are mapped for dual key presses.