Hey I just tried it again and it worked much better on my Droid (running Android 2.0.1).
Everything is running smooth in that 1.5 version of your quake2 app.
I love this so far!
just a minor bug so far: Whenever I open or close my keyboard, the app instantly exits out. Kind of annoying.
EDIT: also, clicking "OPTIONS" in the game is annoying because it restarts the phone.