Volume booster sound booster for android is a simple, small but powerful app to boost volume of your phone and tablet to extra volume. Useful for movies, audio books, music and games. Increase your Volume and Boost the Volume of your phone. Adjust the Boost of Volume in this app according to your phone. Raise High Volume also manage the Volume in this app as your phone volume. Raise High Volume Boost and increase volume for your Movies, Music, and Apps. -Do you always feel that the default sys