A manga page guides your eye with panel size, contrast, and careful spacing....

https://gunnersinsightfuljournals.readspirex.com/posts/manga-vs-webtoon-are-they-actually-different-formats

A manga page guides your eye with panel size, contrast, and careful spacing. Mobile casino screens face the same challenge: keep buttons readable, make the main action easy to spot, and avoid clutter on a small display