The software that is part of the NymphCast ecosystem does not collect user information or shares any of such information or other details with third parties.
Any and all permissions required by the NymphCast Server, NymphCast Player (desktop or Android), etc. are required for the basic application functionality. No third-party functionality is required, and no internet access is required for operation.
No user account is required for operation. No user data is collected, nor are any statistics gathered other than as provided via e.g. the Google Play Store in the case of the Android Player client when installed from there.
In the case of a security vulnerability that would lead to an inadvertent breach of this privacy, please inform the NymphCast developers so that this can be fixed as soon as possible.