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

https://www.emergbook.win/manga-and-phone-casino-screens-must-lead-the-eye-a-clear-focal-point-legible

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