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Developers tend to bemoan Android fragmentation yet there’s much here to be celebrated.
We’ve collected signal data from 195 countries - the variety of Android devices and manufacturers has been crucial in allowing the OS to reach so many markets. For example the 5 countries where OSM gets most use are: US, Brazil, China, Russia, Mexico. From what we’re seeing the developing world is no longer developing but leading Europe.
While the number of different models running Android will continue to increase we’ve seen Samsung take the lion’s share of the Android market, most of that due to the Galaxy product line. Testing on the most popular Samsung & HTC devices will get you a long way.
API and screen fragmentation is probably going to get worse. Android has, however, shown committment to make it easier to target multiple screen sizes - by introducing the (perhaps ironically named) fragments APIs in 2011 which makes it easier to turn view elements into modules.
"Very interesting to look at this chart. Give some insights on how to deal with Android fragmented development.

Source: OpenSignalMaps

