These are also included in the Japanese special edition of the game, though those are simply black. (metalgearinformer.com)
If I had to guess, I'd say these are collector's editions or other special editions of games. (nintendoenthusiast.com)
Pokemon has already had its little day in the sun thanks to their recent Direct where it was revealed that Pokken Tournament DX is coming to Switch, which may have disappointed some poeple as they were dyring for Sun and Moon to make an appearance, though they will just have to put up with special editions of games that only came out six months ago on the same console! (fingerguns.net)