Call Volume Booster

Low call volume is a common problem in mobile phones. Most of users are suffering from this problem, some devices have option to increase the call volume but not every device. So, to resolve this issue we have made a very simple app, to increase the call volume (ONLY) in just few steps ( or seconds). Steps: - Open app. - Increase the volume level (using + button). - Hit the apply button (that's it):). After hitting apply button you can forget this app (until you need to change it again). Main features: * No background service. * Straightforward User Interface.