Over on the AndroidDevelopers YouTube account, Google has produced a little video about the development of Wind-Up Knight.
It's a short interview with the founders of Robot Invader, the developer behind the game. They talk about what a good idea it was to develop for Android, and go over some of Android's advantages for developers. They reach 100 devices with a single binary, they can update builds in 24 hours, (*ahem* ..Apple) and they're approaching a million users in only 2 weeks.
The video appeared with the Android.com redesign, which has all sorts of great stuff on it.