Matrix UI is a tiled user interface was introduced in TS-UGOS SO. Its is one of the main TSUG user interfaces, the other was XUI. It is enabled by default since TS-UGOS TW.
The deafult apps for the interface are StarWeb/RedStar, TheoryShop, TheoryOffice, TheoryMedia, TheoryMail, Theorysonic One, games center, file manager, etc. It can edit or arranges apps on this interface. It can expand from 3X3 to 6X6, or shrink to 2X2.
9-tiled/3X3 Matrix UI in TS-UGOS SO(no apps).
9-tiled/3X3 Matrix UI in TS-UGOS EV(no apps).
9-tiled/3X3 Matrix UI in TS-UGOS FT. (with apps)