So, actually the developer of the game created the Game and put in some Screenshots of a crappy, but still legit game. There is no Screenshot about this whole "Puzzle"-Thing.
The Gameplay is irrelevant, what really counts for the Deveolper is the easy (and a little bit hidden) Creation of some Steam-Items.

As shown in the Picture (sorry for this crappy Paint-Diagram).
Items only will be bought from one account, so it doesnt make sense to produce more items!

Do not create additional items for this game. Just report this game to Steam. Hopefully, it will get banned soon.
Nobody knows, what happens with this money, so we should not assume, that this is money for a good cause.

Thank you for reading and have a nice day.