The author of the N9 version of FlappyBird and Doodle Jump seems to be on a roll, as (fight)2048 has been released. An online version can be tried here: http://gabrielecirulli.github.io/2048/ to get an impression. I did some small adaptions (similar to what elros34 did) to make it work on the N900. Not in the mood right now to spend time on creating a deb, so extract the tar.gz in /opt and start "Fight2048" in the bin folder.