SEGA today on June 30, 2016 updated all the maimai PiNK arcade games with the maimai PiNK PLUS features in Japan. The new update going to adds several new J-POP, Anime, Vocaloid, Game and NicoNico musics to the game.
In the new features you can find the grade certification and the events courses. In the Grade Certification you can test yourself with a random track and a system going to gives to you a grade at the end. Of course later you can try it again to get better grades and than you can share it on the rank board.
The Event Course means you can enter into special events with Rank A tracks and with different difficulties from June 30. In the first events you can try to clear Gochuumon wa Usagi Desu ka? (Is the order a rabbit?) tracks with some Touhou ones from the original Pink Plus machines.