Developing Facebook apps on Google App Engine (GAE)

I know nothing about this topic and only just started looking into it today.

I couldn't many small sample project to get started on this. I ended up adapting someone else's Guestbook sample, which was itself adapted from GAE's sample. The only other sample app that I've found so far is shelftalkers.

My version of the Guestbook demo/sample code is at: