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Monthly, change, articles of incorporation, sweeping, embarrassing if you can't read this? Celebration exceeded 1.9 million downloads! Train your brain with the completely free Kanji quiz app!

Activate your brain with daily brain training! Easily train your brain with 25 mini-games! Measure your brain completely free of charge! Train in your spare time and exercise your brain with mini-games!

Celebration 400,000 downloads! Are there any words that are spelled out of the blue? Let's completely conquer the English words learned in the first grade of junior high school! Perfect reading with pronunciation function. Completely free English word memorization app

Can you brag to everyone if you know? Solve trivia quizzes and be smart! A total of 2 million DL in the series, for seeds and brain training

Is it really cool if you can read such Chinese characters? Celebration exceeded 100,000 downloads! It is a completely free app for advanced users. Would you like to train your Chinese character skills in the game?

It's embarrassing if you don't know this, the spit in the foreground, the miso in the foreground, the haze of the blue sky, the lonely feelings, and the intoxication of the population? Train your brain with the completely free vocabulary quiz app!

Activate your brain with a simple search for mistakes! There is no time limit, so you can enjoy yourself at your own pace in the gap time! From cute illustrations to beautiful photos! Let's do brain teasers in a classic game!

Before feeling embarrassed in public! Solve quizzes of various genres and get smart! A total of 2 million downloads in the series, ideal for brain training and brain teaser with easy operation

Itsukushima Shrine, Lake Toya, Mt. Tsukuba, Gion, may be embarrassing if you can't read it? Over 2 million downloads in the series! Let's master the names of places and buildings all over Japan with the app!

Move kanji and make idioms! Exhilarating Kanji puzzle with big letters! A selection of good questions, from simple to difficult! Train your brain with the game!

The familiar puzzle-solving app on TV quiz programs! A large number of carefully selected good questions, from simple problems to difficult ones that twist your head! Exercise your brain by doing brain exercises in your free time!

Learn historical figures while doing Napoleon, Alexander the Great, Socrates, Saigo Takamori, Minamoto no Yoritomo, and brain training! A total of 2 million DL in the series!

thousand, language… Are there any words with unclear spellings? Let's completely conquer the English words learned in the second grade of junior high school! It is a completely free English word memorization application.

Train your brain at the popular Number Place! Even beginners can solve difficult problems with careful commentary! Solve problems with good questions and improve your concentration! Train your brain with number puzzles!

Saury, blowfish, sea moon, sweetfish, may be embarrassing if you can't read it? Over 2 million downloads in the series! Let's master the Chinese characters of river and sea creatures with the app!

Is your brain rusty? The rules are simple. Just look for the subject word and trace it! A large number of various genres that adults can enjoy! Solve puzzles and be smart!

Improve your computing power with math puzzles? Easy and refreshing just by tracing the numbers and adding them! Brain training: A quick trace to become a genius? Let's erase the numbers in a row and decide the combo

Kiritanpo, Shimanto River, Awaodori, Amanohashidate, Sento-kun... Answer the local quiz and learn about Japan's specialties, hometown, and geography! Series total 2 million DL

restaurant, stranger… Are there any words with unclear spellings? Let's completely conquer the English words learned in the third grade of junior high school! It is a completely free English word memorization application.

Contains more than 10 types of puzzles that are perfect for brain training! Exercise your brain by solving difficult problems such as Sudoku and block puzzles! You can play offline, perfect for killing time!

A crossword puzzle that makes you smarter! Fun brain training with big letters! Only good questions are carefully selected, so you can solve them quickly without getting bored! Let's train your brain in the gap time!

Visit the world and famous places in Japan while taking quizzes on the Eiffel Tower, Fushimi Inari Taisha Shrine, Dubrovnik, the Great Wall of China! The cumulative total of the series has exceeded 2 million DL! Let's do brain training like sightseeing!

Master classic words at super speed! Easy operation just by swiping left and right! * Completely free * Let's enjoy learning for university entrance exams, center exams, and tests!

Activate your brain with simple memory! There is no time limit, so you can enjoy yourself at your own pace in the gap time! Train your memory with a classic game!

From 4 Photos trying to associate with one of the words! Brain training with a simple rule! Trying to soften the head with 5 minutes of play every day!