I hate to feed trolls or start flaming. But seriously. Since when does the pandora not have an SDK, games, videos that work and music that works? Seriously.
All I can add is that there is more developers then the four mentioned. As squidge and a few others have mentioned having devkits. How many I do not know, but I'm fairly certain that its more then the four mentioned on the main page. Also, CraigIX spoke of how he sent the pandora paper mockup to...
Why? That can easily be simulated in software on the apps that need it, and the other apps in which you do not use the keyboard will probably have it turned off per default.