Quang Nguyen released a note in Google's official Android-Developers-Blog that the deadline for challenge-submission was extended one month. The final deadline for the first ADC is now April 14th 2008 (2008-04-14).
Nguyen is also promising "...significant updates to the SDK..." Google will release in several weeks. These updates are said to enable developers to take advantage of new UI and API enchantments. Why developers have to wait another "several weeks" for the next update remains unknown.
The full updated time-line:
April 14, 2008 (2008-04-14): Deadline to submit applications for judging
May 5, 2008 (2008-05-05): Announcement of the 50 first round winners, who will be eligible for the final round
June 30, 2008 (2008-06-30): Deadline for the 50 winners of the first round to submit for the final round
July 21, 2008 (2008-07-21): Announcement of the grand prize winner and runner-up
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