Manga panels guide the eye through pacing, contrast, and deliberate negative...

https://cruzinnp079.tearosediner.net/what-are-the-most-common-small-screen-mistakes-in-illustrated-interfaces

Manga panels guide the eye through pacing, contrast, and deliberate negative space. On a phone, casino screens face the same challenge: keep the main action obvious, controls legible, and color contrast strong without crowding the view