It may not have live TV streaming yet, but Comcast has been at the forefront of expanding the cable TV experience to phones and tablets with its Xfinity app and pushed further recently, updating the iOS version and releasing an edition for Blackberry phones. On Blackberry it brings the usual set of features, including Comcast.net email access, remote DVR scheduling and trailers for VOD selections. On iOS, v1.60 adds a "previously played" button that can return the TV to previously watched channels, or start
