Sprachsteuerung - Amazon Alexa - I can't find the Niko Home Control skill in the store

In order to use the English-language skill, you need an Amazon UK account. You can alter this yourself by changing the location of your Amazon account to an address in the United Kingdom or by means of a service request to Amazon's customer services. In order to use the French skill, you should set a location in France. In order to use the German skill, you should set a location in Germany.