This slide deck is an introduction to developing cross platform apps with Xamarin. It gives an overview of Xamarin and MvvmCross. It is aimed at beginners and those reviewing Xamarin.
Title: Cross-Platform Mobile Development with C#
Event: Glasgow Mobile .NET Developers Group, March 4th 2014
http://www.meetup.com/Glasgow-Mobile-NET-Developers/events/164910932/
You can view and download the slides from http://www.slideshare.net/chriskoiak/cross-platform-mobile-development-with-c
Associated code from https://github.com/chriskoiak/CrossPlatformWithC-.