During the Mobile World Congress the CEO of BlackBerry, John Chen already revealed that BBM will be hitting Microsoft's Windows Phone, even though there was no specific date was stated then.
Now, BlackBerry's CEO John Chen has reaffirmed that the company's plan for Windows Phone smartphones and confirmed that the BBM app will be released by second quarter (May or June) this year. Chen added that the instant messaging service will be released for the Nokia X platforms and the app will come preloaded on some Nokia devices in selective markets. Chen also indicated that BBM will come preinstalled on some Lumia devices, once the app is released for the Windows Phone platform.