Google Merchant Center will work by allowing for businesses to add and handle their merchandise data, which can be then utilised to develop merchandise listings and ads... - Module operates without building any modify in the existing PrestaShop file to ensure that current customization and theme alter never affect. - https://www.presta-addons-modules.com/en/front-office/prestashop-scrolling-info-based-on-selected-category-and-language.html