With the contribution from samsung, one can also write Rust programs for android.
https://github.com/mozilla/rust/wiki/Doc-building-for-androi...
https://github.com/mozilla/rust/wiki/Doc-building-for-androi...
http://sourceforge.net/mailarchive/message.php?msg_id=290363...
Quite a few languages are available for Android development now that the NDK allows native code.