Best 2600 game on Cell Phone?

[Mot]

I saw Pitfall for Cell Phone, and I was thinking what 2600 game I really want to see on my cell phone. Keep in mind that the little joystick is a 4-way but for Pit Fall they use the number keys so you can go up and right at the same time.

 

I think my vote would be Adventure.

[highinfidelity]

I've seen a port of DefenderII which went under a different name. It was pretty well made. I can't remember the name, though.