How good is your color vision? Check it and train it.
Try to determine the square with a different color. Think it is easy? Well then check it out. By passing the test over and over, you will get better results which will develop your vision.
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What's new in the latest 2.1
Last updated on Jan 8, 2016
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Download APK on Android with Free Online APK Downloader - APKPure
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