I recently subbed to a Japanese YouTuber named kikai (https://www.youtube.com/user/kikaim0), who has ana amazing Mario collection with a few rarities. Yesterday he uploaded a new video, a d apparently he's in possession of a Super Mario Attack arcade unit. I checked Google to find out more into about it, since we don't have these in my neck of the woods, and I found the LMW page for it. Here's the video: youtu.be/Ts4cQyBC3io
There's not much to go on if you don't understand Japanese, but perhaps Google translating the comment section could lead to some more clues? Or if anyone here can actually speak Japanese, perhaps you could help?