Joshua Clinard
Screenwriter
It is reported that they will allow developers to create their own apps. As long as vudu follows the rules, I don't see why their app would be blocked.
http://www.macrumors.com/2015/03/20/new-apple-tv-wwdc-siri-app-store/
http://www.macrumors.com/2015/03/20/new-apple-tv-wwdc-siri-app-store/