For reference, and, perhaps, discussion: 'Android' means lots of different things, and there's a lot of confusion about forks, Xiaomi, China and AOSP, as well as 'the next billion'. So this is how I try to think about this. First, there are actually (at least) six types of
'Android' in the market today
* 'Stock' Android, as seen on Google's Nexus devices, complete with Google services (but with tiny unit sales)
* 'Modified' Android, as seen on phones from Samsung, Sony, LG etc, complete wi...