1. First of All ! Registe here:
       http://mcent.com/ref/XT6X9V/
       or here:http://mcent.com/r/10M2IC
       and install the app on your phone.
     
    2. Now download an app on your phone from ” My offers ” .
     
    3. To get more recharge , Just Install more apps.
     
    ( Open the link through the Google Play Store App. Do not use a browser.
    Install and open at least one app and get credit.
    Credit is usually received within 30 minutes of opening the app.)
       Enjoy!!!!!!!!!!!!

It is available only for:

Argentina
Bangladesh
Brazil
Chile
Colombia
India
Indonesia
Malaysia
Mexico
Nigeria
Pakistan
Philipines
Russia
South Africa
Thailand
USA
VietNam