How on earth can you do fake pinch-to-zoom?
Fake multitouch works on the basis that the screen reports the mid-point of two press locations, so software can detect that a swift motion of reported coordinates is probably another finger press at twice the distance of the reported move.
Pinch gestures however don't alter the mid-point of the two points of contact - you're moving your two fingers in opposite directions - so how is software supposed to tell what's really happening?
Impossible, I say!