Virtual camera shown at GDC State of Unreal

Kim Libreri mentioned a virtual camera tool for iOS, which connects to the PC and streams camera footage from an unreal application.
You can see it in the keynote at 26:08

He mentions, that this tool will be available for the public, but he does not mention when and how.

Can someone please provide some information about this, because we could really make use of it for future projects.

It now has a documentation page: