Your Аndroid device sounds poor? Try Speaker Booster. It will increase your volume up to 10-25%. Speaker Booster uses sophisticated algorithm in order to increase the sound. Just tap on the speakers and enjoy stronger and clearer sound. You can adjust three types of volume: * Music volume, * Ring volume, * Alarm volume, It will improve the volume and sound of your speakers and headphones and make them sound like a HiFi system. Advertising Policy: We inform you that this app is free of charg