Apple

1. Login to the website on your phone
2. Tap on the More Options menu (Square icon with an up arrow)
3. Click on Add to Home Screen
4. Tap on Add in the top right corner

Android

1. Login to the website on your phone
2. Click on the three dots in the top right
3. Choose Add to Home Screen
4. Call the app whatever you would like
5. The "app" will now appear on your phone