DEEMO -Reborn- is an Android game developed by Rayark International Limited. The game revolves around a girl who falls from the sky and loses her memory, and Deemo, a solitary character who plays the piano in a treehouse. The game's storyline is centered around an ancient castle and a mysterious tree that grows when melody is in the air.

The game has three main features: Investigation Reborn, Rhythm Reborn, and Melodies Reborn. In Investigation Reborn, players must solve riddles and mysteries hidden in the castle and find sheet music that falls from the heavens to unlock new places and discover the truth. In Rhythm Reborn, players play the piano and make the mysterious tree grow, unveiling new parts of the story and looking forward to the day that the girl can return home. Finally, Melodies Reborn has over 60 classic songs that are loved by all, with new pieces of music that await players to take on their challenge.

Overall, DEEMO -Reborn- is a beautifully designed game that creates a magical and enchanting atmosphere. The game's soundtrack is amazing, and the story is captivating, making it a must-play for anyone who loves music and adventure games.