Tizen plans revealed separately, just as Samsung launches Galaxy S4, and barely mentions Android
One analyst suggests Samsung may hope to put Galaxy line on Tizen OS (see video below)
Samsung picks up on Apple's series concept with the Galaxy line
Software features, not hardware, appears to be Samsung's big focus for new smartphone
Launch of Secure Work Space expected by June 30
Price drop is possible with increased volumes and sales to Japan and Europe
Marketing matters as much as technology for Z10
Promoting the new smartphone will be key to BlackBerry's regaining market share, analyst says
At Thursday's launch, Eye Scroll software, 440 PPI display expected
