You might think the most important new feature in Steam’s “Big Picture” mode is, well, its big picture. But for many hardcore PC gamers, who don’t use the service on a TV screen, the real good stuff can be found with the tweak of a command line.
https://lastchance.cc/valve-is-bringing-steam-to-your-tv-today-watch-out-co-5941793%3C/a%3E%3C/p%3E
While not every game will support this, many do. Hopefully it’s something that, once perfected in the beta, can be rolled out to the Steam community at large real soon.
Full instructions on how to enable the feature can be found below.