This would go a long way to preventing a problem like Android's "fragmentation" assuming that it extended to the device firmware level. Mozilla's strategy alon

This would go a long way to preventing a problem like Android's "fragmentation" assuming that it extended to the device firmware level. Mozilla's strategy along with their partners in this project seems to be to target middle-end devices and carriers, and create a consistent and supportable target platform that won't suffer from the effects of premature obsolescence as quickly as the latest Android devices pushed by the major carriers.