Or did I see Little Big Adventure remake (or something) tech demo on the product page earlier? I don't see it now, was it actually there?

I looked at it around the time it was announced on Twitter.

yes it was there. apparently you can just google for it to download.

It was one of a number of unofficial fan projects going, so they probably removed it too avoid confusion that it was an official remake.

It was one I did, apparently - or so the screenshots I've been sent tell me.

If the GOG team wants to have it there then fine, but it's pretty old and deprecated...

It was exactly this.

So it was your work? Nice job there. Did you ever progress with it further?

Yeah, check out the MBN fan projects section, under the name Little Script Adventure - an open source engine we're making for the purpouse of remaking LBA1 and making other LBA-related fan games.