こんたのそろばん練習アプリ 2.1 Apk

- It is abacus practice app Version has been uploaded - This time, contour-kun will navigate And setting screen of problem questions timing (manual, 5 seconds, etc.) And problem number, item number, you can set, such as whether the addition and subtraction or addition only Please press the [Tama払 button start problem And size of the abacus can be three stages set - Since only a for practice, if interested in the abacus, please to practice in the abacus of genuine