Because it is a community fork, the APK is not available on the Google Play Store. It is typically distributed via community hubs: Releases · Medard22/Dolphin-MMJR2-VBI - GitHub
This article does not condone piracy. Use MMJR only with legally obtained backups. dolphin mmjr 30 apk
Before diving into installation, let's highlight what makes this version special: Because it is a community fork, the APK