You see, he’s a bit of an aspect ratio nerd. Only a proper 4:3 screen would do for emulating games designed for just such a display. Modern 4:3 displays are hard to come by, unless of course you ...

For example, the aspect ratio of an earlier standard-definition (SD) screen was 4:3, which is a relatively square rectangle. The 4:3 means "4 to 3," or four units wide to three units high.

There are lots of reasons to change the aspect ratio of your photos when shooting with an iPhone. The 16:9 ratio is a perfect fit for phone and computer displays, while the 4:3 ratio is a closer match ...