The free app, Volume Booster & Loud Sound Speaker is an audio booster and volume amplifier for Android devices. It is a useful tool to increase the volume of your phone and tablet.

It can boost the sound of your phone and tablet, making it much louder. It can also increase the volume of external speakers and headphones. It works for many audio and video files, including mp3, ogg, flac, m4a, wav, wma, and even mp4, m4v, and mov. It can also increase the volume of some music files and audio podcasts.

This app can be useful for you if you are listening to music, playing games, watching movies, or watching videos.