On a phone, a manga page and a casino screen compete for the same scarce space:...

https://www.pfdbookmark.win/great-manga-pages-and-mobile-casino-screens-guide-the-eye-with-a-clear-focal

On a phone, a manga page and a casino screen compete for the same scarce space: your attention. Strong focal points guide the eye, readable controls prevent squinting, and smart contrast keeps details clear without clutter