Maybe one day, all you'll need is a TV and a controller to play.
But this becoming the norm is a long ways away.
Microsoft hints at turning Xbox into an app for your TV
An Xbox app for your TV in 2021.
www.theverge.com
Xbox chief Phil Spencer has revealed we'll likely see an Xbox app appear on smart TVs over the next year. "I think you're going to see that in the next 12 months," said Spencer, when asked about turning the Xbox into a TV app. "I don't think anything is going to stop us from doing that."
Not sure if this is what you meant but