The Blackberry BBM deal for ios and Android platforms is close to proximity as Blackberry mistakenly published the user guide of the pinging app for it's contemporary devices on their website.
The mobile messaging app is very similar to the normal one that runs on Blackberry devices and it functions the same way too. The user guide explain in details the numerous functions attached to this app and the how to get started.you can get the user guide from here (ios) and here (Android).
The app is designed to allow for real-time communication between contacts and groups, the guides made emphasis on sharing pictures and messages, including broadcast messages, multi-person chats, and group chats. Users will also be able to create BBM Groups,plan events ahead of time, track to-do’s, share photos, and chat with up to 30 people at a time, without the need to add everyone as BBM contacts.