Sample projects for presentation
There are two Xamarin solutions, Doctors and DoctorsXF. The Doctors solution contains a simple list of the various actors who have protrayed Doctor Who on the BBC. There are versions for Android, iPhone, and Windows Phone 8. They share the same data, in a PCL, but use native UI controls and navigation.
The DoctorsXF solution has the same app, written in Xamarin.Forms.