Chat On Available OTA
 

http://www.chaton.com/download.html

Visit with your BB browser. It's Samsung's xplatform app, and works with BlackBerry OS, iOS, and Android. (Watch out, it's a beast at just over 7MB)

Like Whatsapp, it uses a phone number and 4-digit sms registration verification.

http://i1229.photobucket.com/albums/...zU1OC5qcGc.jpg