The download button opens the iTunes App Store, where you
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From Andrew Scherban:
Would you like to test how attentive you are? Try brand new game - Wrong Shades of Grey! You have a minute to identify the other color tile. Still think it's too easy? What if they are all grey? Challenge your attention, improve your attention! Save your score in a chart and compete with your friends. This is obviously a gripping thing! Got a minute? - play Wrong Shades of Grey - use your time wisely.