Incremental.es review for Shopify Search & Discovery

Looks interesting, but the documentation makes it hard to figure out how to make something as simple as to show the aggregated average reviews value in a simple product. Needs some fixings. The documentation is not good enough. I can't figure out the reason someone found useful to filter products based on the number of reviews instead of their average value. :-) Will be pleased to receive some help from support, but it even lacks to add a support button like most of the rest of modules in Shopify.