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

https://devinmqjy235.iamarrows.com/how-do-i-use-empty-space-so-the-important-details-pop

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