This feature provides a way to write your own web applications that are accessible over the network, without the need to install and configure your own web server.
The web content is stored in a defined and configurable location that the VRED web server can access.
For example, http://hostname:8888/apps/MyTestApp
would deliver the web content stored in Documents/VRED/MyTestApp
Since all the content is provided by the integrated web server, there are no problems with Cross-Origin Resource Sharing (CORS).