Yeah... when everyone is playing at 10k resolution and 4D graphics are a thing.. it would be like having a gameboy run off a mobile chip (which is already doable)
I think they could make pc rooms... But before u think u know what im speaking of... I think it would be a small device that would be able to make the walls look like large screens and it would be like a virual reality picking up every motion.. And it will be easily transported to other rooms ect.. Since its a small device