Show HN: Java-training game (with maybach the adventure-cat)

Hey, i'm just in alpha for a java-training game (with maybach, the adventure-cat). I'd love any feedback anybody on this forum has

It is android-only just now, if you're interested join the public google-group (no spam! i moderate all messages)

https://groups.google.com/forum/#!forum/wibbler-alpha

and then download the app from

https://play.google.com/apps/testing/com.wibblerapp.wibbler

Do let me know what you think!