Mô tả của Up & Down

Have you ever been bothered from adjusting voice volume
when receiving a call from your contacts?
Up & Down can makes you free from it.
Once you have adjusted voice volume for a contact, Up & Down remembers it.
So next time you get a phone call from the same contact, Up & Down automatically
sets the volume level at the same.
This applies to all of your contact separately.
Up & Down automatically adjusts voice volume depending on surrounding noises
for you to hear the caller's voice better too.
Application Features
saves voice volume of a latest call for each contact, and then restores it next time.
automatically adjust vocie volume depending on surrounding noises for you to hear the caller's voice better.
Contact us
Like us on Facebook http://www.facebook.com/up.and.down
Official Blog
http://upndownblog.wordpress.com