While not taking advantage of all its features, because Android/ART.

I have yet to see the real-world project where a nicer interface to the JVM makes the difference. Not saying that they don't exist, just that they are way less than one would assume.

Yep. Just like Clojure, Scala and others, depending on the flavor. Just language-wise there is little reason for Java. But tooling and ecosystem are of course also relevant.