Volume+ can increase the media volume level of you device.. So listening songs will be much comfortable when you are in a crowdy place.
How to Flash:
o Download the xxx.zip & CWM.zip place in root directory of Sdcard
o Reboot in Recovery mode by pressing vol up+home+Power button together once you enter recovery mode touch screen become function-less so use volume up and down to move up and down, home button for selection and power as back button.
o Now in recovery mode select "apply update from sdcard" and navigate to the root directory of sd card and select cwm file "cwm-madteam-galaxY.zip" this will take you to clockworkMod Recovery.
o Now select "install zip from sd" and then choose xxx.zip and select yes.