There is socioeconomic divide within developed nations mostly the US as Android has the largest market share in Europe regardless mostly of income.
As far as developing countries go and emerging markets it's not really that relevant either.
If we are talking about really poor countries then Google Play isn't available on the phones there so they generate 0 revenue for Google the Android eco-system is also considerably more limited to the point in which you can pretty much not call it android anymore.
As far as developing countries go and emerging markets it's not really that relevant either.
If we are talking about really poor countries then Google Play isn't available on the phones there so they generate 0 revenue for Google the Android eco-system is also considerably more limited to the point in which you can pretty much not call it android anymore.