Great module for prestashop that creates a special block with recent products' comments added to your shop
block is fully responsive and you can also enable slider feature (carousell of comment).
with module you can control what kind of informations will be displayed.
for example you can hide / show customer name
you can hide / show product name
you can hide / show review contents
you can hide / show product image
you can hide / show grade
more informations about this module you can find here:
Recently added comments carousell