Jaxtr allows you to make inexpensive phone calls to almost anywhere in the world.
Unlike other calling cards, you do not need to remember our access number or a pin code.
Just select an international number from your address book and Jaxtr will take care of the rest.
Jaxtr also offers Free Connect - with which you can call mobile phones in many countries for FREE.
Jaxtr is free to download and easy to use.
Beta version can be downloaded from: https://play.google.com/store/apps/details?id=com.jaxtr.androidvoip