Are you afraid that your volume keys will break soon?
Don't you like that Android has no volume control on youtube and in the other multimedia applications?

This application add a floating volume button on the screen. Use it to modify the volume.

Please before to buy try the free version. They have the same functionality.

Thanks to Prajwal Divate for designing the Icon Banner and Screenshots.
(Google+ https://plus.google.com/+PrajwalKDivate)