1. Open the Shortcuts app


2. Add a new shortcut


3. Click the Add Action button


4. Click on the Scripting option


5. Click the Open App button


6. Choose the app you want customized


7. Click the ellipsis icon


8. Click the Add to Home Screen button


9. Choose a name, then tap the icon


10. Click the Choose Photo button



11. Choose your icon, then hit Add


12. It should be on your home screen!