If you really want to beat Java language stagnation on Android, I would suggest Kotlin. You can create a Kotlin-based Android project with zero effort using IntelliJ (and, presumably, the new Android Studio).

http://kotlin.jetbrains.org/

Yes, that has occurred me today, now that Google is migrating to InteliJ.

Currently I am actually also looking into C++ (I do like it to certain extent) as it also allows me to target other platforms.