It looks a whole lot like Geometry Wars, which is one of the highest compliments we can give a game. PewPew for Android features four game modes of laser-blasting enjoyment, and best of all? It's totally free. [Android Market via Appolicious]
I got this a few days ago and I'm actually very impressed with the gameplay and the graphics, but it really needs a mute option. Seriously, app developers, every single app with any sounds should have an option to turn said sounds off from the first release. Come on.
Oh and for the record, the video shows the default diagonal joysticks, but you can put them both at the bottom or both at the top (I think). Some devices work better diagonally, but if your device works just the same otherwise (as mine does), I prefer that to this.