How do I add Signature Business Rewards to the home screen of my mobile device?

Apple
1. Open up Safari and enter the Signature Business Rewards URL.
2. At the bottom of the screen, tap the square icon with an arrow pointing upwards.
3. Select 'Add to Home Screen'.
4. Choose a name for the home screen icon.
5. Click 'Add'.
6. This will create a shortcut on your iPhone. 

Android
1. Open up Chrome and add the Signature Business Rewards URL.
2. Tap the menu button 
3. Tap 'Add to Home Screen'. 
4. Choose a name for the shortcut and Chrome will then add it to your Home Screen.
5. This will create a shortcut on your Android