Official Twitter Apps for BlackBerry (check), iPhone (soon), and Android (future)

The first official Twitter mobile app was recently released for the BlackBerry. Earlier this week, Twitter bought the rights to the popular Tweetie app for the iPhone and secured the services of its sole developer. This will eventually be relaunched as the official Twitter app for the iPhone (and presumably the iPad). Next up is:

Twitter Will Have An Official Android App (via TechCrunch)

Will Twitter build or buy for their Android app? I’ve very satisfied with the Seesmic app on my Droid and Nexus One. I hope that Twitter either (a) licenses Seesmic for Android or (b) at least provides a reason for developers to keep building innovative mobile Twitter apps.