http://boston-technology.com/mobile_app_dev.html
Mobile OS Fragmentation Let’s start with the big dog, Apple’s iOS. According to a sample of Bump’s users between January 7 & 10 this
year, here’s a breakup:
Now look at Android’s fragmentation:
http://boston-technology.com/mobile_app_dev.html
And what does Android 2.3 have that 2.2 doesn’t? Here’s a
partial list:
SIP Communication
Near Field Communication (High Frequency High Speech
Data Transfer in short range)
Audio, graphical, and input enhancements for game
developers
Gyroscope support
Support for multiple cameras
Source
http://www.readwriteweb.com/mobile/2011/01/what-percentage-of-iphone-owners-are-on-ios4.php
http://developer.android.com/resources/dashboard/platform-versions.html
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