Translate Keyboard funktioniert nicht

Translate Keyboard for Chat app gives you instant translations with ease in any of your favorite messaging apps, e. g.  Information about the auto-renewable nature of the subscription. - Subscription may be canceled at any time within the iTunes and App Store Apple ID Settings.  Translate Keyboard for Chat translates your messages in real-time within any app from the keyboard!  WhatsApp, iMessage or Facebook Messenger, or directly translate in any Email app.  Chat in any language without switching apps!  All prices include applicable local sales taxes. - Payment will be charged to iTunes Account at confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - The account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - No cancellation of the current subscription is allowed during the active subscription period. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable.