This has been a personal project of mine for the last 8 months. I'm excited to be at the point when I can start gathering feedback from Xamarin.Forms developers. The video on the site demonstrates several features that allow developers to explore the Xamarin.Forms Framework and their own application's while its running.

And in the spirit of giving, here is an open source These Crazy Walls clone written in Xamarin.Forms and CocosSharp:

https://github.com/jonedavis/Xamarin.Forms-With-Cocosharp