[1]Google has pushed back its Android Developer Challenge to April 14, 2008 after making significant changes to the SDK that include user interface and API enhancements. The challenge will provide $10 million in total awards to the best mobile applications built on the Android platform. Here is the timeline for the program:

April 14, 2008: Deadline to submit applications for judging
May 5, 2008: 50 first round winners picked
June 30, 2008: Deadline for the final round
July 21, 2008: Grand prize winner and runner-up announced

For more on the Android Developer Challenge:
- read this post [2] from Google's Android blog

Related:
FierceWireless' Hands-On Android Guided Tour [3]