I’ve had a bit of fun figuring out the Facebook developers API and integrating it into Block Rockin’. The game is now running as a Facebook app. The key social feature here is that the high scores table no longer reflects the scores of people using the same physical device, but is now constructed from your Facebook friends.
The game isn’t as ‘nice’ when played using the arrow keys rather than tilt sensors, however.
Here’s a youtube video that Kirsty has just completed: