Thanks! Glad you experimented with beacons and Hue. There is already several apps that combine beacons with Hue: https://vimeo.com/91335074

When it comes to Android we have just released an update to our main Android SDK and app (you can read more here: http://blog.estimote.com/post/118119809840/announcing-an-upd...)

We plan to catch up with other SDKs for Android as well.