About two months ago the Windows Phone team issued a challenge to student developers over the summer holiday:
The challenge, to create an awesome Microsoft Expression Sketchflow prototype of a Windows Phone application.
The reward was to win one of 50 HTC Mazaa developer devices. The competition resulted in over 281 prototypes created and over 203 participants submitting prototypes.
So if your developing Windows Phone make sure your using Microsoft Expression Sketchflow which can be downloaded for FREE via Microsoft DreamSpark or MSDNAA and here are some useful tips and guidance on your designs.