The Windows Phone 7 app article has drawn quite some attention and interest. And (as I had somewhat hoped), someone has taken the series and created an Android front-end.
Technically that is all that would have to change: the front-end. If the intermediary is working, the WCF in between is up and running, all should work just fine. This author decided to make the WCF service RESTful, which took some extra effort.
Can't wait to see the final result!
Visit Shashi's blog to follow along with his article.