This apps allow you to add favorites in your site.
It display the products that you have selected like favorites Important
Note : The installation is manual and must be downloaded on the marketplace.
Copy the this apps in your directory
Copy sources in sources directory
Copy the apps_favorites.json into ClicShopping/Work/Cache/Github
Install : http://monsite/myAdmin/index.php?A&Products\Favorites
Activate the module Design/Products Listing