Control volume of you mobile, mainly useful for earlier version mobile. And it is very use for the mobile whose volume key fail to work. By pressing the volume button it will open the volume control dialog were we can volume easily.
9Apps 4.9
![Control Android Volume Levels on a Per-App Basis [How-To] screenshot 2](https://i.ytimg.com/vi/a180XBxzXpA/mqdefault.jpg)
