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Mobile
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It is a brain training game in which you only have to press the numbers in order. It helps in sports and daily life by training peripheral vision and instantaneous vision. There are three types of tests in total. 1 to 9 (3 x 3) 1 to 16 (4 x 4) 1 to 25 (5 x 5) The three types of results will test your number-tap ability.