With this OCMod you can add the start rating to the Category list, The featured list and Latest List.

Just install and it works great out of the box.

Install instructions:
1 - Go to: Extensions > Installer
2 - Click: the blue upload button
3- Find: add-reviews-to-featured-latest-category-pages.ocmod.zip file and upload it
4- Go to: Extensions > Modules
5- Click: Refresh top right
6- Go to: Dashboard
7- Go to: top right gear icon and click
8- Popup window opens
9- Click: Amber refresh button beside Theme and Sass
That's it you are done, now when a review is left for any product it will show in the Category/Latest/Featured lists by default.

This is an OCMod and it does not alter any core code.

If you need help please reach out I will be glad to help.

You can see it in operation here: Demo