The administration can prefer to enable or disable currency and language auto-improve options. Also, change the default keep currency and language from the module management page. - Really helps to redirect the customer into the right store URL with the shipping strategy as per the customer's country place. And as https://www.presta-addons-modules.com/en/front-office/prestashop-browser-tab-notifications-cart-count-in-tab-cart-remainder.html