According to the official breakdown of Android devices by OS version only 0.6% of devices are on 3.0 or later. http://developer.android.com/resources/dashboard/

According to the official breakdown of Android devices by OS version only 0.6% of devices are on 3.0 or later. http://developer.android.com/resources/dashboard/platform-versions.html http://developer.android.com/resources/dashboard/platform-ve... And even devices with the same version of Android will have differences.