Manga artists guide the eye with panel flow, strong contrast, and lettering...

https://wiki-tonic.win/index.php/Why_Does_Fine_Texture_Look_Nice_Up_Close_but_Fail_at_Normal_Phone_Size%3F

Manga artists guide the eye with panel flow, strong contrast, and lettering that holds up on a phone. Mobile casino screens face the same design test: make key controls easy to spot without crowding the view