As Google TV doesn't allow to play AVI or MP4 videos, I solved it installing the Plex app at the Google TV and the Plex Media Server in other computer. Using the Plex Media Server you will be able to stream any kind of video format to your GTV and see it on TV

Please note that in the GTV configuration there is an option for Quick Start which will keep alive your GTV even when it is turned off. When this option is "on" you will note that the GTV is hot instead of cold when it is turned off. The best way to fix it is just change the option to have...

I had the same issue and solved it installing the Plex app at the Google TV and the Plex Media Server in other computer. Using the Plex Media Server you will be able to stream any kind of video format to your GTV and see it on TV