How do I create an application that works on both the Windows 7 Phone and IPhone?

Question

It is clear that Mono Touch is part of the solution as it allows C# code to run on the IPhone, however Mono Touch wraps the IPhone API so does not provide a common API.

Answer 1

It is possible to share code between your Monotouch iPhone application and Silverlight Windows Phone 7 application. Craig Dunn, an expert on Monotouch discusses this in his recent post - MonoTouch meets Windows Phone 7