connect Deezer service to Google Home without VPN,

Hi. You're not right. Google home is officially available in Ukraine (on google play with language support) and Android TV with google assistant support is also officially available in Ukraine.

Only smart speakers are not officially available in Ukraine.

Also I see problems troubles with cast from deezzer (from-to) any cast devices like - SmartPhone, Google Smart speaker,  Android Tv, PC, Google Chromecast.

I tested the same thing with Spotify there are no such problems.

When I ask assistant of Android TV “play music on Dezzer”, It says that this service is not available in your country

When I ask assistant of Android TV “play music on Spotify”, it plays music without any problem.

I think team of Deezer need force this information to Google. I think every company cooperating with Google is independently informing Google about the availability of its services on Google platforms for different countries.

Unfortunately Yula is right and I just found that out the hard way. You won’t see support for it soon either, as Deezer is losing market share to Apple and Spotify and will be out of business within a few years. Both have perfect Google Home integration. Apple Music offers the best sound quality while Spotify offers the best connectivity features. Pick one that suits your needs. I’m canceling my two year Deezer HiFi subscription today because of the lack of Google Home support. Only a handful of countries are supported and The Netherlands (where I live) isn’t one of them either.