Android is a mind boggling place

Ever wonder why some app (say, SushiChop) crashes on your Android device yet doesn't by all accounts on seemingly everybody else's?  see this link to discover why its so difficult to ensure that it will work everywhere.  It hurts my head, but this is a great info dump!
http://opensignalmaps.com/reports/fragmentation.php
This image, taken from the linked page, shows all the different screen resolutions on Android devices they've discovered by recording them from real world runs of their app.