Nordkapp, a group of experienced designers, strategists and technologists, recently made available a downloadable Windows Phone 7 Cheat Sheet to help mobile interaction designers with designing Windows Phone 7 apps. This A3 size cheat sheet is based on Microsoft Windows Phone 7 Design Guideline document(s) with only the important bits, added some other comments and highlighted the parts that might come as a surprise of existing Symbian, iOS or Android designers and developers.
Extremely useful if you’re trying to design a proper app UI for Windows Phone 7. Head down to nordkapp.fi/blog/2011/05/wp7-for-designers-cheatsheet/ to download the cheat sheet.