The Xfinity remote app Comcast CEO Brian Roberts showed off earlier this year is now available in the app store for the iPad and iPhone. Currently they allow Comcast customers with compatible digital TV service to browse listings and On Demand content from their portable device and change channels right from the app. Video streaming, additional remote features and enhanced search are all promised for future releases, while other platforms should also get their own versions soon. Android apps are promised for later this year, with Blackberry to follow. For now, check out the press release and original demo video embe