GUAU is a comprehensive digital audio platform tailored for Android users, offering an extensive array of audio content from Euskal Irrati Telebista and various Basque organizations. This free application features live and on-demand radio shows from multiple stations including Euskadi Irratia and Radio Euskadi, alongside a diverse collection of podcasts, video podcasts, sound fiction, and audiobooks. Users can access their favorite shows anytime, anywhere, making it a go-to resource for audio enthusiasts.

The app enhances user experience with offline listening capabilities, allowing downloads for convenience. Content is organized into various categories such as Information, Culture, Humor, and more, enabling easy navigation. Users can create personalized playlists, subscribe to their favorite content, and share audio with others. Additional features include filtering search results by language and station, as well as customizable language settings for the app interface.