Virtual Service Catalog provides a central repository for viewing and sharing virtual services. From a single dashboard, you can quickly the available services that are deployed to a VSE and accessible in any Enterprise Dashboard that is connected to Virtual Service Catalog.
The VS Catalog is a new component introduce with DevTest 10.3.0
Note: Virtual Service Catalog cannot be run as a service at this time. However, most operating systems allow you to run an executable at start up.
Here is the documentation on VS Catalog for DevTest 10.3.0:
There are videos within the documentation that shows installing and using VS Catalog.