WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.
WhatsApp Messenger is available for iPhone, BlackBerry, Android and Nokia and yes, those phones can all message
each other! Because WhatsApp Messenger uses the same internet data plan that you
use for email and web browsing, there is no cost to message and stay in touch with your friends
Minimum requirements:
Unlimited internet data plan!
Nokia S60 3rd edition, 5th edition or
Symbian^3 Operating System
Update-
Now Support Emotions
