Comcast added 18 popular TV networks yesterday to its roster of live streaming options via Xfinity TV Go. The app now offers more than 50 live channels and 25,000 on demand choices. The new additions include A&E, Bravo, Cooking Channel, DIY Network, E!, Food Network, HGTV, HISTORY, mun2, Oxygen, Sprout, STARZ, Syfy, TBS, TNT, Travel Channel, truTV and USA Network. Comcast’s Xfinity TV Go app began offering live streaming television for the first time last November.

“To use the service, Comcast customers must have Xfinity TV service or a certain tier of digital cable package, an Internet connection, and a supported device, including iOS and Android mobile devices, Kindles, or a computer,” explains Digital Trends. “Xbox users with an Xbox Live account can also access Xfinity TV Go, potentially eliminating the need for a cable box.”

Comcast does not currently allow access to HBO GO, Showtime Anytime or Xfinity TV Go apps for its subscribers on Roku devices. However, speaking at the Next TV Summit in New York this week, the company’s Matt Strauss, SVP and general manager of video services, said Comcast is testing authentication on the Apple TV and Roku platforms to explore additional TV Everywhere opportunities.

“We will continue to aggressively expand both the live and on demand offerings on the app and provide our customers with the ultimate selection of content across all devices,” explained Strauss.

“Strauss also highlighted and demonstrated X1, the operator’s IP-capable next-gen video platform,” notes Multichannel News. “Comcast’s new, enhanced version of X1, internally labeled as ‘X2,’ will deliver a common look and feel across the TV and mobile devices.”

A complete listing of the Xfinity offerings is available online.