Abstract
This paper proposes a supporting method for improving beginners' playing skills of rhythm games with dropping notes type for smartphones. In previous research, for improving beginners' playing skills, automatically generated learning chart have been studied, and support for skill improvement of beginner during play of rhythm games have not been studied much. Therefore, this paper proposes support functions for improving playing skills by focusing on the player's notes tapping accuracy and chart recognition ability in playing rhythm games, and shows effectiveness of proposed functions.