This is mainly made for exporting for vseeface/ARkit tracking/Unified Expressions
This unity editor tool is made to auto setup a vrm Blendshape avatar with the blendshapes for:
Heres a tutorial on how to use the tool https://www.youtube.com/watch?v=Jqlpn2Or6A8
Ritual neo was the one who requested this tools construction This was made to save time manualy assigning blendshapes to the Blendshape Avatar
This tool is not a silver bullet and has some edge cases that the tool will not work with I am looking into fixing these issues