This is a Resonite mod, which lets the game read facial expressions and eye gaze directly from VirtualDesktop (v1.30 or newer).
This was patched together from dfgHiatus' QuestPro4Neos mod and VirtualDesktop VRCFT module.
To install this mod go grab the release over here and put it into Resonite\rml_mods\ folder.
You are going to need Resonite Mod Loader, read how to install it there.