In my previous post I turned my Android G1 into a game controller for an Adobe Air desktop app. The same thing can be done with a Unity file. Although I didn't have much time to make something really nice, I've quickly put together a short video, which demonstrates that Unity also supports UDP. Again, I've used RemoteDroid to send data to my computer over its wireless network. You can read more about the how in the previous post.
I'm not sure who made the 3d jet model, but I downloaded it here.