Oh I didn't know this one. Worth taking a look but as far as i can see it's not finished. It only have a few graphics and he uses multiple sprites instead of using stage3D (which, as far as i know, performs better in the mobiles).
Just saw it this morning. Looks promising, especially since the display list is performant both on web and mobile and there wouldn't be a need to test both backends when you're switching to hit all of your targets.