It is a simple web based application that supports an easy and flexible way to manage your Citrix Presentation Server. Using this application, you do not need to install Citrix Management console, Citrix Access suite, or any developed applications that use the MFCOM APIs

Also you do not need to connect with the presentation server using any type of connection, such as RDP connection or ICA client connection.

It is a simple management application that extends your ability to manage your Citrix Presentation Server just through web access.The features are provided by integrating a number of MFCOM APIs that can support many of the administrative features of your Citrix Presentation Server.
 
This web access management is built based on Extentrix Services 1.0 – Management Edition; you need just a web access to your web service locally, through the internet or you can use a web service proxy instead.

For more information, see the design document of Extentrix Web Access Management Console.