Didn't see this posted yet. Techcrunch reported it working on iPhone but seems to work on the Droid (trailers work).
http://techcrunch.com/2010/05/10/mspot-beats-netflix-and-blockbuster-to-the-punch-with-mobile-movie-streaming-service/
http://techcrunch.com/2010/05/10/mspot-beats-netflix-and-blockbuster-to-the-punch-with-mobile-movie-streaming-service/
