The new version of the messaging app -- which works on BlackBerry, Android and iOS -- has an unsend feature. It also pulls a Snapchat by letting users send vanishing messages.
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.
An expansion into China could put BlackBerry's security reputation at risk, John Chen tells Reuters.
In the works are updates for two popular BlackBerry products, Secure Work Space corporate email and the BBM messaging program for Android and iOS.
Fresh off the launch of its Passport smartphone, the struggling handset maker is on the slow road to recovery.
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.
Amazon hasn't given up on the Fire Phone, Facebook makes it easy to mask your identity with Tor, and the Starbucks app will offer treats for delivery.