This is useful application to backup your contact when you meet drop on your phone or you need copy all phone numbers from your phone to other.It is easy to use.
This application DON'T have advertisement.
*** Support us to translate this application to your language, contact us via "contactvtlstudio@gmail.com"
*** If you meet a trouble you can send email to "contactvtlstudio@gmail.com".
Good app, great value.
Very bad app. Don't bother.