On a phone, manga panels and casino screens share the same design test: guide...
https://wiki-room.win/index.php/Why_Does_Seeing_Multiple_Panels_at_Once_Change_the_Reading_Experience%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.