This application is available in Android Market both in free and premium versions and the later one costs 2 Euros. There is an improved feature which is a scrollable widget and is available for those users who are comfortable with home screen replacement like LauncherPro, ADW Launcher.
This new version has an improvement in terms of the image previews inside the app and also allows some customizations along with some improved navigation between columns. Moreover there are some translations included which are Czech, Norwegian and Brazilian.
The application is popular because of its widget support and hence it is considered as one of the best twitter applications available for Android. If you are addicted to twitter then this is a must have application on your Android mobile.
To download, just search for the app in Android market on your handset or scan the below qr code using phone's camera.