Twitter has released its first official application for Android 2.1 and Google will be open sourcing the code in the app soon. 

Twitter for Android app features a share button in your favorite applications for sharing links and images via Twitter.

The Twitter Blog provides more details. "Reading tweets is easy in a bunch of places on your phone. Quickly access your timeline with the home screen widget, view a tweet location on a map, and see your friend’s latest tweet in your phonebook, GoogleTalk list or any application that uses Android’s QuickContact bar."

"We had a great time working with the Android team and are thrilled that Google will be open sourcing the code used in this app in the near future. We look forward to the amazing experiences developers will create using Twitter APIs in their upcoming Android apps."