Why are all of my end-users called Mobile App User?
If you see in your instance a lot of end-users called Mobile App User they all come from your Mobile SDK integration, as this is the default name given.
Example for iOS:
Example for Android:
When attempting to update an Anonymous identity, it is recommended to review the following article to learn about the lifecycle of an Anonymous identity: How anonymous identities work in the mobile SDKs
If you encounter any other issues or have more questions, please contact our customer support team.