At the time I think in most western Europe teletext was a thing. Imagine you had this menu on the TV with pages that have graphics of the Atari 2600, and you access by inserting 3 digits codes on the page, seeks the page for you, and presents what’s in there. This was, in a nutshell, teletext
The way his eyes are striked out I thought for a second he had a red vr headset on him