The modern stock Android launcher has the option in Settings > Wallpaper ... larger hands might find larger icons more manageable. Can you change the icon size on an iPhone?
If you want to look through an SD card of pictures, however, you'll want big icons to see what each picture looks like. In either case, you'll probably want to change the size of your icons ...
The latest Android 16 beta hints at Pixel Launcher finally getting built-in icon shape customization options, a feature that ...