Share Post URL to Other Apps
You can now share a link to posts you’ve published on your blog to other Android apps. Just tap the post title and then ‘Share URL’, and then select the app you want to share the link to.”
WordPress for Android is an Open Source app that empowers you to write new posts, edit content, and manage comments with built-in notifications.
More info: http://android.wordpress.org/2011/01/25/version-1-3-9-released/