The game is a testing app for characters that can take part in a music battle. The player chooses one of the characters from the list – there are lots of them there. After it, the player can press the buttons to make the character sing. For that purpose, they press the buttons with the arrows. Each character can produce unique sounds. The right combination can make the character sing a song. The game has no rules or ending. The player can change the character at any time.