Highly recommended for headphone users; it provides AutoEq for specific headphone models.
If your phone does not have native Dolby support, you can download third-party equalizers from the Google Play Store that simulate a surround sound experience: download dolby digital for android
You cannot download "Dolby Digital" as a standalone app to add the technology to an Android device that doesn't already support it. Dolby Atmos and Dolby Digital are hardware-integrated technologies that require specific licensed processing units and system-level software provided by the manufacturer. Highly recommended for headphone users; it provides AutoEq
If your hardware supports Dolby, you need "Dolby Digital" or "Atmos" encoded content to hear the difference. You can find this in: Highly recommended for headphone users