Deep Current Develops mobile applications for the Blackberry OS mobile operating system.
Blackberry enjoys a high market share in South Africa and should be considered for your Mobile App development. Here is a list of Blackberry OS devices. Here is a list of Blackberry OS devices.
Background on Blackberry OS
BlackBerry OS is a proprietary mobile operating system, developed by Research In Motion (RIM) for its BlackBerry line of smartphone handheld devices. The operating system provides multitasking and supports specialized input devices that have been adopted by RIM for use in its handhelds, particularly the trackwheel, trackball, and most recently, the trackpad and touchscreen.