The most common mobile messenger that we use on our Android and Symbian device is now available for download for the Windows Phone users.All the Lumia users and other WP users can download it now from WP Market.With the availability on its WP the app is now available for Symbian, Android, iOS,Java, Blackberry and for PC.Check out below what they mentioned in their blog.
[quote type="large" align="left"] The wait is over! You asked for it, and here we are… Nimbuzz Messenger for Windows Phone 7 is now available in the Windows Phone Marketplace for downloads. Enjoy the Nimbuzz experience on your WP7 phones, enabling you to connect with your buddies on Nimbuzz, Facebook, GTalk, Yahoo Messenger and MSN/Live Messenger on the move.[/quote]
So go ahead,download this app and start chatting with your friends.