The phrase refers to the Rebtel application presented in the Spanish language. This includes all aspects of the app, from the user interface and menus to help documentation and customer support, being offered in Spanish. For example, a user in Spain would download the application and experience it entirely in their native language.
Providing a software application, such as Rebtel, in Spanish broadens accessibility and usability for a significant global population. Spanish speakers benefit from navigating the app more intuitively, understanding its features more completely, and receiving support in their preferred language. Historically, language localization has proven essential for the international adoption and success of technology products.