It does work you just need to know how to use it – Custom Keyboard for iOS 8 - Pimp your font , color & background + emoji FREE HD Review

The keyboard does work all you have to do after saving when you open your keyboard your emoji changes to a globe click it and your keyboard will change
Review by JasmineMelecio on Custom Keyboard for iOS 8 - Pimp your font , color & background + emoji FREE HD.