From the drop-down menu, select Take Photo, Choose Photo, or Choose File, depending on where your replacement app icon image is located.Tap the three dots in the top-right corner.Use the search for the app you want to change the icon of, and select it.Use the text field to search for Open App.Tap the + icon in the top-right corner of the screen.Launch the Shortcuts app on your iPhone or iPad.

Shortcuts can be a complex app to use, as it allows users to create multi-step processes to run on their device, but in this instance, the Shortcut only involves one basic component. If you feel that being kicked to and from the Shortcuts app whenever you open an app with a custom icon is a nuisance, it may be best to only create Shortcuts for apps you use infrequently, or not at all. Tapping Custom App Icons launch Shortcuts first, and then the App.But before embarking on this plan, you should understand there are two major limitations in this technique. If you want to skip to the section where we go step-by-step on how to customize your App Icon, it's at timestamp 3:58.

Change mac application icon