use, and not merely the title art, login page, or splash screen. They may also include text and image overlays (e.g. to demonstrate input mechanisms, such as an animated touch point or Apple Pencil) and show extended functionality on device, such as Touch Bar. (意訳)スクリーンショットは使用中のアプリを見せべき。テキストや画 像のオーバーレイで、使い方を説明したりTouch Barなどのデバイス の機能の説明もしても良い https://developer.apple.com/app-store/review/guidelines/