1. Open the Spin the Wheel page on your iPhone
2. Tap the share icon
It is located in the center of the screen below.
3. Tap "Add to Home Screen"
If it is not visible, you may have to scroll down a little.
4. Rename if desired
You can give the App any name you want.
5. Tap on "Add"
It is located in the top right corner.
You're done!
Open the app from your home screen at any time, log in if necessary and off you go!