No, there's no folding, just rotating the plane you're standing on.

Right, it's impossible to make a "real" 4D game, where you would see 4 dimensions at once, but you'd be surprised at how close you can get by allowing you to only see 3D, but move in 4D, which is what this game does.

Why do think that it's misleading?

Yeah, you got the basics.

There's something like that in the game. I'm not saying how it works, because I don't want to spoil it, though.

Somehow, because of the 4D tiles I talk about in the video, It turns out that I can explain the rules of the game without using the word 'dimension' at all, but I think it's much more fun to play the game and figure it out on your own.

The reason is that you still see only 3 dimensions at a time, but swap out one dimension for the fourth one at any time. So yeah, 3D is still the limit of the visuals, but not of the gameplay.

Somehow, because of the 4D tiles I talk about in the video, It turns out that I can explain the rules of the game without using the word 'dimension' at all, but I think it's much more fun to play the game and figure it out on your own.

That's right , but it's not that his plane is folded, it's that he can rotate his plane at the touch of a button.

Yeah, you got it. It gets crazier later on though, but I won't spoil it :)