No features have been listed yet.
Twicca - Twicca is a Twitter client for Android that is simply awesome. Features: * Notification
Owlead - Grow your Twitter with valuable followers, effortless
Tweedle App - Notion is nice but sometimes all you need is an app like Tweedle.
Jooicer - Superpowers to boost your Twitter Growth
Tweetbot - Sync your timeline across your iPhone, iPad, and Mac. Mute tweets by user, hashtag, tweet source, or keywords (including regex). 3rd Party support for image, video, read later, and timeline sync services.
Narrow - Narrow helps you build a targeted audience and increase your influence on twitter.