Are You Clever? Color Blind 6X6 Puzzle Pro Publisher: GuoDong Ren Genre: Productivity Released: 5 Feb, 2015 Size: 22.0 MB Price: FREE! Click here to request a review of this app App Store Info Description Are You Clever is also named KenDoku、CalcuDoku、Square Wisdom,here is the rule:1、 Each row and column contains different digit 2、 Each group of cells is a cage containing digits which achieve the specified result using one of them(+,−,×,/). What's New in Version 3.3.7 Fix bug. Screenshots Screenshot 1 of 6