This site explores the process of developing Mobile Applications on the 3 leading Mobile Platforms: Google's Android, Apple's iOS and Microsoft's Windows Phone 7.
 
Each section provides information on how to set up the related development platform, links to related tools and documentation, example code, articles and reviews of various products and books.
 
Many of the simpler examples are implemented on all 3 platforms and provide a unique perspective on the similarities and differences encountered when developing Applications that span platforms.