Had experience of some of these, they work well. If you load a tv application like iptvsmarters so you can watch UK tv etc, I found some versions have a little trouble with the catchup, however you just need to load an external player and register smarters to do this.
The one I set up at the weekend worked great, I think it was a fire tv 4k one, it was fast loading and slick in operation. Great picture quality as well.
Problem with amazon.de is the delivery to Cyprus is almost as much as the Fire TV!
ive got five firesticks and two fire cubes, get yourself a cube better faster and more memory if your tv provider lets you record. we got the 4k version with Alexa voice control, which i never use, got all mine off amerzon uk, they have special offers from time to time.