It matters A LOT if you develop apps. Getting things to work consistently on different processors, screen dimensions, buttons, etc, takes a lot of effort. It w

It matters A LOT if you develop apps. Getting things to work consistently on different processors, screen dimensions, buttons, etc, takes a lot of effort. It was JavaME's greatest nightmare (one could never be sure an app would work at all on different devices). Luckily, since there's no JCP and vendor-specific packages, at least that part of the fragmentation was solved...