kenji kiuchi

This app is calculation drill for calculation training.You can training that Abacus(soroban) & calcu

It is a game to go defeat the monster with a simple addition.When you think will turn off the number

This app is a cat of action game.----------------------- Story ----------------------Cat island is d

You can study national flag with location and capital.Since also saved accuracy rate of each country

The chemical symbol is the app to remember in the form of a periodic table. Problems are questions i

This is an app that counts up when you do work out.Since you can set the sets,times,interval for cou

This app is Cat CalculatorCat shake head to the touched direction.It's so cute.[About Calculator

It is an application that you can easily check the piano chords with a list.You can save the chords

This app to become able to read the music score.In this app, You can training of a wide range (3 oct

This app that you can practice flash mental arithmetic.You can review the calculation process by tap