Earlier quoted context omitted.
I don't understand how anyone could think dual screen is a gimmick that had a DS. There were a lot of games that put those two screens to good use. I am serious.
Consider this: To gain any information from a screen, you must actually look at it. You can only look at one screen at a time. The entire functionality of a second screen can be replaced with a single button: While that button is pressed, the screen shows whatever else it needs to show. It is true that pressing a button is ever so slightly slower than moving your eyes. But considering all the benefits from saving a w…
Glancing from one screen to another is easier and lower mental overhead and you can look for input in your peripheral like text appearing without losing current context. You can also read from one screen while typing in another which is impossible in a non visible workspace.