Just like Google Expeditions as the images shown below, there can be a series of floating introduction in scenes to provide introductions of elements. For 6DoF scenes that are not included in Google Expeditions, I think we can use spheres instead of circles as triggers of floating introduction.
画面で浮かべられている注目なポイントをクリックすると解説文を見せて、解説音声を聴ける。Google Expeditionsアプリ（Playストアで入手できる）のVR部分のカードに似る。
Just like Google Expeditions as the images shown below, there can be a series of floating introduction in scenes to provide introductions of elements. For 6DoF scenes that are not included in Google Expeditions, I think we can use spheres instead of circles as triggers of floating introduction.
画面で浮かべられている注目なポイントをクリックすると解説文を見せて、解説音声を聴ける。Google Expeditionsアプリ（Playストアで入手できる）のVR部分のカードに似る。