The first player of the Quest Demos was an elderly gentleman. The fishing quest was a very good fit for him, you can do that sitting in a chair. The game seemed to be fun with multiple various fishing locations.

On mobile devices click on the cardboard icon to use a VR headset to look around

Look around with directional swipe gestures on touch screens, or use the top-left Google Street View like controls of the YouTube video. Use cardboard or VR headsets if available for more immersive experience.