What is the Volume Booster application, how does it work?

According to the introduction of Ruralrobo, Volume Booster is a Tools app on the Android platform. There is currently a 1.3.6 version released on Jan 07, 2020, you can see the details below.

•Volume Booster is a powerful app which is useful to control volume and boost volume.

•Features:

•Boost volume to maximum level with one touch.
•Attractive graphics and design.
•Simple, Fast, Easy to use.