Well, if you can get accurate-enough touch events, you could always go into emu/Android/screen.c and hack around with the pointer event handling code, make it c

Well, if you can get accurate-enough touch events, you could always go into emu/Android/screen.c and hack around with the pointer event handling code, make it check the state of some of the physical buttons--thus, if you're holding (say) the Home button when you click, it does a left click. Since you have a pen, you should be able to hit the regular window control widgets to minimize/close, rather than relying on our physical button shortcuts.