You can’t plagiarize mechanics because you cannot copyright mechanics… And you don’t want to live in a world where you can. Imagine if the first company to make a first person shooter game copyrighted it… Or if Nintendo owned the rights to all 2d side scrolling games… Gaming would have never grown to what it is today.
Hell, even board games would have been crippled by this kind of copyright.
This thing is so recent it could play MP3s… The first Discman was released in 1984. I’m actually really confused why they picked such a recent version, the technology was almost phased out when this thing was released. FFS the original iPod came out a year before this thing…