Lily - Alan Walker Best Piano is a free Android game developed by Yefim Tkachenko. It is a music game that allows you to enjoy your favorite Alan Walker DJ songs by tapping on black tiles to match the beat of the music. The game is designed to provide an enjoyable and interactive experience for users who love Alan Walker's music.

The game features Alan Walker's most popular songs, including Alone and author song. It is a great way to pass the time while listening to your favorite music. Additionally, the game is not an official app, but it does not contain any copyrighted material. The piano music included in the game is created by the developer.