Microsoft Corporation releases new Mixed Reality Portal app. This app mostly for Insider users only enrolled in the fast Insider channel/fast ring.

Mixed Reality Portal Description:

The Mixed Reality Portal is the desktop app that lets you access through the Windows Mixed Reality installation program. It also acts as a command center in your PC for the mixed reality experience.
In the mixed reality portal you can:
View a live stream of the view in your VR viewer (Windows Mixed Reality Ultra only). To enable and disable this option, select Stop preview or Start preview. (You can also enable and disable previewing from the mixed reality start menu).
View the status of the VR viewer and controllers. Select Menu to see all the info.
Configure new controllers. Select Menu > Configure Controller .
Enable or disable the limit. Select Menu > Limit enabled / disabled . (If you deactivate it, you must stay in one place for safety).
Create a new limit. Select Menu > Run Configuration .
Access your photos in mixed reality. Select Menu > See photos of mixed reality
Download apps and games for mixed reality. Select Menu > Download apps and games in mixed reality.

You can download the app from the link given below.

Mixed Reality Portal
Mixed Reality Portal
Developer: Microsoft Windows
Price: Free