Google has released an update for Android Google reader app that brings a few new widgets and features. which includes the capacity to check the total number of unread items in any given feed or stream; the capacity to boost the size of the news widgets so they can display a lot more data; as well as the capacity to “mark all previous items” as read in a stream.
Google reader widget will be available in various sizes the smallest of which will act as a little news ticker, showing you one headline at a time. You can add a larger size widget that cycles through items on any stream you want in Reader. Clicking any headline will take you to the article, while clicking the folder will take you to that stream.
The Widget is only compatible with Android 2.2 Froyo or higher, the Google reader app can be downloaded at free of cost.