Search for "Yanni" directly in the Play Store to see if there is an official fan or discography app available.
Download the APK via a browser like Chrome or the "Downloader" app. Download CAJITA ANDROID YANNI apk
Search for verified streaming apps like Netflix, Amazon Prime Video, or YouTube. 2. Sideloading (Use Caution) If you must install an APK manually: Search for "Yanni" directly in the Play Store