Volume Booster

Khối lượng và Brightness Controller, hữu ích nếu phím phần cứng không hoạt động

Volume and Brightness Controller application controls sound and brightness of smart phone and tablet.

some useful features are :

*controls system sound,

*ringtone volume,alarm sound

*media and notification sound.

*Also control brightness of android devices.

*Auto window popup during call for setting voice call volume.

*Most Helpful in case, your hardware key is not working.

*Easy and Handy application.

*at the time of calling app suggest volume control