Thank you @Jamie! The app works great! I love the TTS feature 
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donated
While setting up I had a problem which I could solve:
On the first try I could set up everything and add the echo spot (server EU), but the device did not respond on a flow and did not say anything.
After I reconnected the Amazon account in the app and inserted the device again, it worked.
I guess it was because I had an Amazon account that I needed the second factor authentication with a Authenticator App. I had to enter the OTP on the first setup attempt, but not the second time.
