What is the Rock Hero game, how does it work?

According to the introduction of Guitar & Music Games, Rock Hero is a Music game on the Android platform. There is currently a 2.23 version released on Feb 17, 2020, you can see the details below.

Rock Hero is the ultimate music-rhythm style game that will test your skills to play the guitar and follow the rhythm of the music. This game including 9 songs which you can play them in 3 different difficulties.
Also you can choose songs from your mobile device for even more fun!
Hit the notes at the right time to get the highest score!

Features:

• 3 different music styles.
• 9 incredible songs.
• 3 difficult levels
• Global scores!
• Cool graphics and effects!
• Better controls and gameplay!