now official Twitter app for Blackberry is available for download, witch mean now if you have Blackbery mobile then you can do all your tweet with new app. it work really good and you can do everything like you can post new tweet answer to friends or other and man y other new features available in it.

features of Twitter app for Blackberry:

• Real-time BlackBerry push of Twitter direct messages
• Camera and photo gallery integration
• Browser integration for Tweeting links
• Customizable interface for changing fonts, hiding tool bars, etc.
• Inbox integration so you can read your Twitter direct messages along side your email and text messages
• @integration so that if you receive an email or text message which includes an @username, it is linked to the Twitter app profile page
• Twitter lists integration
• Notification of @mentions
• Search for users, content, and trending topics
• Localized for French, Italian, Spanish, German, and Brazilian Portuguese

Here is the official announcement from the Twitter blog

Today we are excited to announce that RIM has launched the official Twitter for BlackBerry app and can be downloaded for free at blackberry.com/twitter