I don't know that a exclusive host dedicated to Xoops is all that necessary. Ultimately, when it comes to choosing a host, you go with what works for you and has the room for you to grow. I host both my WordPress and Xoop sites through a web hosting package from 1&1 and I have always been satisfied.
I have created xsimplegrid2 to be finished my ideas for this theme. There is many changes - other sliders, "fast" menu is in the header, mobile changes and others..
People aren't ignoring you. We're waiting on the Red Mexico (RM) folks to see this. They are the best source for assistance with that module. I'll be looking for their help soon myself.