This morning I received this message from Amazon:

Hello,

We are excited to announce Kindle Direct Publishing on Amazon.de!

To learn more about publishing your book on Amazon.de, including royalty and payment options, click here:

http://kdp.amazon.com/self-publishing/help

Any books you’ve published through Kindle Direct Publishing which have rights in Germany are already available in the new Kindle store on Amazon.de, based on the list prices and royalty plans you've provided for the Amazon.com store.

In addition to the launch of Kindle Direct Publishing on Amazon.de, we're also thrilled to offer royalty payments for our European publishers via Electronic Funds Transfer (EFT). To learn more about this option, including how to sign up to receive payments via EFT, click here:

https://kdp.amazon.com/self-publishing/help?topicId=200641050

We hope to see you soon!

Sincerely,

Amazon Kindle Direct Publishing
http://kdp.amazon.de

So I checked my eBook (Android, une fois) and there it is :

Android une fois on Amazon.de

The problem: I don't see a way to change the website language... So it's an ebook in French on a German website.