Steven Elop just announced at MWC in Barcelona that Nokia will be bringing the popular messenger application to Lumia devices. The main purpose for this would be to try and tap in the emerging market where BBM is still widely used in comparison to the likes of Whatsapp.
Interestingly, it could be a smart move from Nokia that they are connecting with other platforms in other to make thier devices as attractive as possible for wide range of users. We might see the new Nokia Android device today also.