Volume Booster - Bass Speaker is a free multimedia app developed by Harry Game Studio for Android users. As the name implies, the app is designed to boost the volume of your speaker and headphones, and create a 3D sound experience for your movies, videos, and games.

The app's features include a one-tap volume control for all media, including music, video, ringtone, and games. It allows you to feel the bass and immerse yourself in the 3D super volume increase. With different sound levels and frequency equalizers, you can create custom sound effects such as normal, classic, dance, flat, folk, and more.

The app is easy to use and comes with a beautiful and simple interface design. You can easily increase and decrease volume effects with simple gestures and touches. The app also offers stereo surround sound effects and 3D virtualize effects to enhance your sound quality. Overall, Volume Booster - Bass Speaker is a must-have app for anyone who wants to improve their sound quality on their Android device.