*Note: The Oculus Rift S does not use the Oculus Remote. If you are using a Rift S device you will not need to use a remote. *
Remember that your head is the cursor in the scenario. Looking around the room, you'll notice that certain items get a halo of blue light around them. You can select these items and interact with them.
Click the "Select" button on your remote to interact with these things in the scenario.
To exit a selection, simply turn away or click the Select button again.
Volume can be adjusted while in the scenario by clicking the - or + buttons on your Oculus Remote.
Other helpful videos about using your Oculus Remote: