Life gives us feedback based on our actions and choices. Do we really analyse that feedback and act accordingly? Here is an Android Game to practice exactly that! Understand the feedback and act accordingly. Goal is figure to out four colour combination by trial and error based on feedback. Tap each circle to choose its colour and tap. You will get immediate feedback: half black circle means only colour is right and full black means both colour and position is right. Keep trying till you figure out colours and exact position. Try solving in 4 attempts.