Android/Amazon
1. Open the 'Settings' app
2. Tap on the 'Apps' entry
3. Scroll down to Crafty Candy
4. Disable the 'Show notifications' option and this will stop you from receiving notifications
If you change your mind and wish to continue to receive notifications, all you need to do is enable the 'Show notifications' option for Crafty Candy.
iOS
1. Open the 'Settings' app
2. Tap 'Notifications'
3. Tap 'Crafty Candy'
4. Slide the 'Allow Notifications' toggle to the 'Off' position