Tracking Room is integrated, and the full documentation is available from the Sh3Gen application ( Resources->Documentation ) . Or you find the files inside Sh3Gen\Documentation\Web
There was a problem with an older version of the viewer, but it was fixed. This version of Sh3Gen should work with any version of the viewer.
If you can live with an older version you can simply get it here:
www.christian-wendt.org/tatukgis.zip