The administration can elect to empower or disable currency and language auto-adjust attributes. Also, alter the default shop currency and language from the module management page. When the module won't find ideal currency and language According to visitors' area then default currency and language will probably be made use of. https://www.presta-addons-modules.com/en/front-office/prestashop-twitter-feeds-widget-for-selected-categories-and-languages.html