Does not work – Kiwi - Colorful, Custom Keyboard Designer with Emoji for iOS 8 Review

The keyboards in this app are very good, but I can't use them outside of the app. When I exit out of it, Kiwi no longer appears on the list of keyboards. I don't know why this is but it needs to be fixed.
Review by HorseyGirl112 on Kiwi - Colorful, Custom Keyboard Designer with Emoji for iOS 8.