This Is What Developing For Android Looks Like. You know how many Android developers complain about fragmentation? Yeah, this is what fragmentation looks like. Animoca, a Hong Kong mobile app developer that has seen more than 70 million downloads, says it does quality assurance testing with about 400 Android devices. Again, that’s testing with four hundred different phones and tablets for every app they ship! The photo above is just a sampling of Animoca’s fleet of Android test units.