Hello,
I am developing an ear training game using LWJGL for musicans that want to improve their ability to hear musical intervals, chords etc.
Here is a link to the game:
http://www.springworldgames.com/sharpear/
Cheat with F10 while you hover over a challenge button. Will not be part of the final version
Here is also a link to a video but it mostly contains “the making of” material: