Kingdom Hearts: Melody of Memory has been announced by Square Enix recently as a rhythm action spin-off from the original Kingdom Heart Series.
Kingdom Heart series main character, Sora will be joined by other Disney characters from the original game depending on the game level. This game will be featuring over 140 songs from both Disney and Kingdom Heart series.
Kingdom Hearts: Melody of Memory Trailer
As seen from the trailer, Sora will be battling with heartless when the player hit the command button in time with the music.
From the end of the trailer, we can see a short clip focusing on Kairi which Square Enix has not release any information about this clip yet. It seems that Kairi will be a playable character in this game.
It is shown that the launch of the game will be in the year 2020, yet no specific dates has been announced. But we do know that the game will be made available on Playstation 4, Xbox One and Nintendo Switch.