On a phone, manga panels and casino screens share the same design test: guide...
https://echo-wiki.win/index.php/What_Is_the_Difference_Between_Narrative_Emphasis_and_Interactive_Emphasis%3F
On a phone, manga panels and casino screens share the same design test: guide the eye, keep controls readable, and use contrast with care. MrQ runs in a browser, so you can explore its interface without downloading an app.