Twitterrific now universal iPhone app with retina display support & new lighter theme option

Twitterrific has updated their iPhone/iPad app with a number of improvements including making the app universal.

The update also includes:

• Retina display support for iPhone 4
• Fast switching for iOS 4
• OAuth for media uploads
• Tweets passed along to media services when uploading (not sure what this means)
• “Relationship” information added to user profile screen
• Simplified user interface for iPhone users
• VoiceOver accessibility for the visually impaired

However, probably the most exciting new feature is the availability of a lighter colored theme option now available in Settings as seen below: