One thing th Android market definitely has no shortage of is Twitter apps. Many of the favourites tend to have lots of features, be stable, are fast and easy to use and look nice.
Twicca is an interesting twitter client that boasts a simple UI packed with all the features you'd expect. Like many Twitter apps, the main screen features your home feed. Tapping on a tweet opens a menu providing you with an array of options such as reply to the tweet, retweet, open any links within the tweet, add the user to your favorites or to a list, and more.
If you've already tried a number of Twitter clients, or just looking to try something new, Twicca is worth taking a look at.