None. Remote for Sonos is a standalone, zero-configuration application and is not uploading data to any external servers by itself. All data collected by the Application (like UPnP ip addresses and basic metadata) which is needed by Remote for Sonos to operate is stored locally on the user's device.
If you email us for support or other feedback, the emails with email addressess will be retained for quality assurance purposes. The email addresses will not be used for any marketing purpose. If you want to remove your support related emails, please send this request to the support.
You are advised to review this policy periodically for any changes. By using Remote for Sonos app, you agree to this privacy policy.
Send me details of your issue, preferable with screenshot and any other data which can help me to deal with the problem as soon as we can.