Twitli is a Twitter client for Android phones. Twitli is aimed at providing a maximum number of features while keeping the user interface easy to use. The number of buttons is limited: rather than putting "follow" and "direct message" buttons on the screen, Twitli gives access to these features by clicking a user name
TwitterDroid lets you read and publish to your Twitter, it is a kind of port of Twitterific, the excellent application for MacOS X.
TwitterDroid 0.1.2 is an early alpha stage software but it is already functional - you can read the latest 20 tweets from your friends and publish a post to your own timeline
Storyz- Storyz allows you to share the moment with your friends. Take a picture, or a video clip, add some text, invite your friends, and off you go! Storyz is completely integrated with your camera and file system, and creating and responding to a message is as simple as sending an SMS or MMS
zhiing connects people-to-people, people-to-places and people-to-services with dynamic maps and turn-by-turn driving directions. Forget about map printouts or scribbling down directions....use zhiing! Simply enter the mobile number you want to zhiing and hit send
fring gives you FREE Video Calls, voice calls & chat to friends over 3G and WiFi (Video calls only on capable devices).
Communicate with friends in the fring network and other supported services: MSN Messenger, GTalk, Twitter, SIP, Yahoo!, AIM & ICQ
AndTweet is a light-weight Twitter client for Android. It is optimized for fast operation using both Touch and Keyboard. It has a finger-friendly interface that allows the user to quickly navigate tweets and respond to them with just the touch of a finger
ChumpDump Lite - We all have friends on twitter, many of us have lots, like tons - ChumpDump is a game wrapped around the concept that odds are, you probably have a lot of chumps in your feed. Some of you know it, others are in denial