Adobe just released the beta of Flash Player 11.2 and AIR 3.2 for Desktop with brand new capabilities.
One of the great new additions is the mouse right and middle click events. That means we finally can remove completely the context menu! Focusing in games we have the mouse lock that will be available only in fullscreen mode and new relative mouse coordinates.
You can take a closer look at it in this post from Thibault Imbert.