Android Youtube API Available?
At the google IO of this year (2012) they announced the youtube api for Android apps, it isn't available yet, but they say that is going to be available soon, you can see the video here: http://www.youtube.com/watch?v=3WFsx-u-q3Y
EDIT: Now It's available: https://developers.google.com/youtube/android/player/
The YouTube Data API allows a program to perform many of the operations available on the YouTube website. It is possible to search for videos, retrieve standard feeds, and see related content. A program can also authenticate as a user to upload videos, modify user playlists, and more." (source)