This article discusses software internally used by Apple.
Acquiring a copy without Apple's consent is illegal and may result in being scammed.
This build of SwitchBoard is based on an internal version of 8.0, and appears to be an earlier version of Okemo 12A93651b. Therefore, the difference between this build and 12A93651b is most likely simply bug fixes.
Upon booting, SwitchBoard.app lets you choose from a wide category of apps. They are: