it is an application to play an active part if you want to do is fine-tune the volume ! it is too big to too small if you lower one , and i on one ! i create a simulated volume that does not exist originally you can also be used on non-root terminal! ※ it will be reflected in the sound all that out of the terminal ※ ( check galaxys2) that is reflected speech voice , shutter sound , even in the notification sound - function - • basic volume control setting • expansion volume control setting ( main function) • functions to off advanced settings automatically during a call • the shortcut to display settings in the notification bar • the setting screen display function that does not screen transition - confirmed operation - · galaxy s2 · nexus7 - caution - *this app makes use of the equal