Good News You can now port Android TV to the 2018 Fire TV Stick 4K....

[Mr.Bhat]

The Fire TV Stick 4K runs Fire OS which is actually based on Android but different from Android TV. Users don’t get Google’s Play Services and Play Store but get Amazon’s own app store and services. However, while you can sideload apps from other sources, having access to Google services saves you the hassle, and now there is a way to get the Android TV UI along with Google Services on Amazon’s streaming stick...
Full details in below link..

You can now port Android TV to the 2018 Fire TV Stick 4K - Gizmochina