Google detailed the state of Android OS versions in September and it's business as usual - Jelly Bean is gaining slowly, while pre-4.1 versions decline. Pre-2.1 versions account for about 1% of devices, but they are too old for the new Play Store app and are not included in the charts. With that it's only 2.2 Froyo that remains of Android's archaic past at 2.2%. Android 2.3 Gingerbread still...
Source: http://www.gsmarena.com/android_in_september_2013_43_adoption_going_faster_than_42-news-6899.php
