NEW YORK ( TheStreet) -- The key worldwide smartphone trends over the last year have been these: Android keeps rising above 70% market share, Apple ( AAPL) stalling around 21%, and Microsoft ( MSFT) slowly winning over BlackBerry ( BBRY) in the sub-9% market share residual.With Android at 70%, however, it becomes important to examine two questions:
- Why is Samsung dominating Android's 70% market share? Why has Apple's meteoric iPhone rise 2007-2012 stalled?
- Windows Phone: It's missing some of the critical apps that I -- and many others -- use. BlackBerry 10: Poor contacts synchronization with Google ( GOOG), having lost that superior "fast action" experience with email, contacts and other basic communications needs that the old BlackBerry 7.1 has. Apple iOS: Too small iPhone screen, less optimal for users of Google services. Other Android smartphones: For example, I found the HTC One to be slippery and difficult to repair if damaged.