Anonymous data is collected for analytical purposes. Collected and shared with services from Google Inc. and subsidaries. For further information: https://firebase.google.com/terms/data-processing-terms

By using https://www.mulvos.com/ or the HQRadio App,
the service links to webradio-streams from third-parties and processes following information:
- IP-Address
- Time, type and amount of server requests
- Typ of device, browser and maybe similar identification

You can find more information on processing and collecting your data on those third-party sites.