Mojos Studios presents Twittix, mobile Twitter client offering all features of the original: you can send, receive, update and share Tweets wherever you are. Functions available on your S60 smartphone include Tweet, Reply, ReTweet, Message, DM, Follow & Unfollow, Favorites, Search, Auto-Update and many more.
http://my-symbian.com/s60v3/software...Auto=690&faq=4
