Since the creator of #Mastodon blocked me for asking about the views of the Russian developer behind the official #Android app, I had a brief look into his social media and it answered some of the questions.

There is a lot of indifference and egocentrism to the effect of "this government doesn't touch me personally, so I don't mind", while at least one comment openly defends the invasion of #Ukraine with no pushback from grishka.

See the Google translated post here - friends-grishka-me.translate.g