Don't know if you've seen John Carmack's iPhone Wolfenstein 3D that was just released, but it does a terrific job of breathing new life into an old classic. Gre

Don't know if you've seen John Carmack's iPhone Wolfenstein 3D that was just released, but it does a terrific job of breathing new life into an old classic. Great gameplay, and the controls (which use almost exactly the scheme you propose) are even easier than the old keyboard version.