What is mocaccino funtoo?

Mías once I have a series of questions about mocaccinoOS, and the question in question is

What is mocaccinoOS funtoo?

Atm, just a first experiment to push directly a Funtoo Stage3 layer over our Mocaccino ISO workflow. I will try to prepare a Gnome Funtoo Stage3 ISO as POC but I need yet a bit of time.