This year at the Unite 2014 conference in Seattle, we ran into Alex Schwarz, Chief Scientist at Owlchemy Labs.
Owlchemy is an indie studio doing multi-platform development with Unity. They have a lot of great hits such as Snuggle Truck, and Jack Lumber . Owlchemy recently ported Jack Lumber to Windows Phone and in this video Alex tells how easy it was to do the port.
To double click on Watch Alex's insights into multi-platform development with Unity, watch his Unite 2014 session: "Reducing risk and increasing awesome with multiplatform development"