After a few weeks ago to give an explanation of Google TV, a special software Android SDK and finally was completed as well as described in Google's TV blog.
In the end result of this, there is little difference with the previous versions such as the navigation bar and action bar placement better. In addition, there are also additional keys such as quick access, but the key is only working on the Android SDK and the provided example app built using the sample code for the navigation. (dei)
Source Google TV, Google TV Android Sample