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Or more specifically, if you use anything below the latest and greatest, and are forced to use their legacy driver as I am, here's how to actually use Unity without causing physical bodily harm to everyone around you when you throw your computer, doused in gasoline and burning.
First, you must install CCSM.
Amazingly, this problem doesn't happen with the open source drivers, but that's another story for another post (and believe you me, a lot of these are on the way ;).
Download the official 2buntu app for both Android and Ubuntu Touch.