It seems that the next generation of smartphone is ... the feature phone. It will have functionality including a battery life of more than 6 hours, a screen that does not break, it will not suffer "water damage" if you wear deodorant and its web browser will work.

The Mobile web is the gateway to the largest market in the world.

Statcounter has two pictures that I reproduce here. (Apps developer, be afraid.)

However - the more interesting one is Africa!