Twitter was fast in rolling out the new Twitter Card formats Twitter’s mobile iPhone and Android apps and mobile.twitter.com.

Twitter for Android gets a brand new look and feel to the social app which according to Twitter  “reflects a native Android experience: wider and taller timelines that fill the screen, a flat navigation bar, tap and hold for quick actions, and more.”

New in this release of Twitter for Android:
– We’ve got a brand new look and feel crafted for Android 4.0+. Navigate seamlessly between your favorite parts of Twitter with a simple swipe.
– It’s easier to connect with friends and join conversations with @username and #hashtag suggestions that appear as you search or compose a Tweet
– Discover, install and launch your favorite apps from Tweets
– Other bug fixes and improvements

Twitter’s iOS app has also been updated with performance improvements and faster start-up speeds, Apple Store provides more details

Twitter for iPhone now helps you discover, install and launch your favorite apps from Tweets. This update also includes the following improvements:
• Faster launch times and general performance upgrades
• “Retweeted by” in Tweet detail is now tappable
• Fix for reply-to-self in conversations
• Fix for bug that prevented undoing retweets in some cases