Dr.Hue is a simple App to test your color vision.Tap the tile which color is different from the others.Score 31 and above, Eagle eyes!Score 21-30, Normal eyes.Score 15-20, Weak eyes.Score 15 and below, Check Your eyes!Have fun and share your score with your friends!This App is the most responsive Kuku Kube puzzle on the market.And provide sharing function to social media such as Facebook, Twitter, etc.