What to do: Thread priority security exception. Make sure the APK is signed.

[Ruud van Reenen]

This message means that the needed Oculus Signature for your device isn't included in the app yet.
This is a restriction by Oculus for the use of the Oculus VR Utilities in Unity.

How to solve this:

• Uninstall the VR Tourviewer app
• Download and install this version to request a version with a signature for your device included