It is completely free to use.
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Major features
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・ Brain Training
count up
Memorize numbers
Instant memory
Flash mental arithmetic
Search for color mistakes
Hit&Blow
Search for the same pattern
Search for the same number
Find Maximum / Minimum value
Find different character
Fill-in-the-blank calculation
Flash tap
・ There is no membership registration
・ Choose your favorite problem and train
・ You can check the practice record of brain training
・ You can study as many times as you like
・ I will explain the method of brain training in the explanation.
・ Children to adults can do it anytime, anywhere
・ There is a world ranking of scores and response times.
・ Purchase the premium version
Advertisements can be hidden and can be used more comfortably
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Future release schedule
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・ Update of new problems (as needed)
We will update it every time to satisfy everyone.