You can find instructions on how to use VR Tourviewer and the VR Tourviewer Remote in the Knowledge Base (https://www.vrtourviewer.com/knowledge-base/).
The following articles can be used for a quick start:
How can I get VR Tourviewer on my Oculus Go or Gear VR (https://www.vrtourviewer.com/docs/vr-tourviewer-for-gearvr-oculusgo/)
Add tours on storage of Oculus Go (https://www.vrtourviewer.com/docs/add-tours-oculus-go-storage/)
Add tours on storage of phone for Gear VR or Cardboard (https://www.vrtourviewer.com/docs/add-tours-gearvr-storage/)
How to use the VR Tourviewer Remote to show a live view of what a VR Tourviewer user is seeing (https://www.vrtourviewer.com/docs/how-to-use-the-vr-tourviewer-remote/)