Step 1
Open the Shortcuts app

Open the Shortcuts app
Add a new shortcut
Tap on “Add Action” button
Tap on the Scripting option
Tap on “Open App” button
Choose the app you want customized
Tap on ellipsis icon
Tap on “Add to Home Screen” button
Add a name, then tap the icon
Tap on “Choose Photo” button
Choose your icon, then hit Add
Voilà! It should be on your home