Engadget has a nice little review as well as a video here: http://www.engadgethd.com/2009/07/15/comcast-mobile-iphone-app-video-walkthrough/
It is free. You cannot watch any video content yet. It could be added in the future. It does have a TV guide
You can also check your mail and voicemail from it
It is free. You cannot watch any video content yet. It could be added in the future. It does have a TV guide
You can also check your mail and voicemail from it