A descrição de 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
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Official Blog
http://upndownblog.wordpress.com