The play tab, which I expected to contain nothing but games but clearly has more than that.

There are a few of the standard fare Linux games included, such as this copy of Klondike solitaire.

The three "manager" programs all look similar to this, and are really nothing more than a highly customized file manager window.

The settings tab, which basically functions as the control panel, as expected.

The confusingly named Desktop Mode control panel, used for controlling screen settings and resolution.