The app is in private beta mode, which means it's not yet available to the general Windows Phone public. But that will change soon.
In the works are updates for two popular BlackBerry products, Secure Work Space corporate email and the BBM messaging program for Android and iOS.
The latest Facebook Messenger update lets you "Like" things even more emphatically, as well as recording 15-second video messages right there in the app.
BlackBerry's president says to expect a more native app experience for BlackBerry Messenger on iOS and Android.
BlackBerry Messenger's scattered design and basic features keep it behind the competition.
Pricing not available
BlackBerry's acquisition of German software firm Secusmart aims to secure voice and data and put better mobile security in every president and chancellor's hand.
LG will preload some new Android phones and tablets with BlackBerry's BBM messaging app, as part of the Canadian company's push to diversify from its failing handsets.
Marty Beard will start as chief operating officer immediately and will be responsible for "cross-functional organizations" at the company.
CEO John Chen's efforts are having a positive effect: the ailing BlackBerry reports better than expected revenue and earnings for its fiscal first quarter.
The app marketplace will be available on BlackBerry 10 phones when version 10.3 of the mobile OS launches this fall.