Google Updates Android Development Guide
Google has released a revised version of its popular Android development guide, which has been downloaded more than 200,000 times. The update adds information on better beta testing and some additional techniques for attracting users. It's available in English now, and additional languages are coming soon.
To coordinate with the new book, Google is also putting out a series of videos on its Android Developer YouTube channel. The company has released two videos so far and plans to release two more every week.