Congratulations to @irisworld!

Just like the other things that mysteriously showed up in the game (the Records tab, for example), I am sure the new card will be used for something completely new. Since they have added the opportunity to purchase music (audio) files to the game, maybe the new card will give access to Music Videos (live performances, perhaps). I don't know what it is for, but I went ahead and bought one (just in case they become scarce at some point in the near future). I'll be ready whenever they announce it's purpose.
!PIZZA