We have a large number of questions, from simple to difficult. Regardless of age or gender, you can improve your brain power (ability) like a game with the app.
You can ask questions such as addition, subtraction, multiplication, division, and fill-in-the-blank questions such as hiragana and kanji.
Many questions will be asked, so solve them and enjoy the exhilaration.
It is surprisingly nostalgic when you solve it.


・ People who want to do brain teaser (brain teaser)
・ People who want to improve their brain power (ability)
・ People who want to test how much their current computing power is
・ People who want to test their current kanji ability
・ People who want to solve nostalgic math problems and Chinese characters
・ People who want to use the gap time meaningfully
・ People who want to kill time
etc,
There are a lot of problems, so let's challenge more and more.