I find this app for free international calls and messaging , actually its a great app this purpose.Their you have find some credit which are free available in this app while you can collect some credit by seen online video and playing games. If you want to purchase credit than you should be used you credit card or international card for this purpose. So it’s a great app you will find all the codes of all over the country. You can choice your phone number according to Country phone number. And their is issues while you are calling or Messaging. This app you can find in your playstore.