Osamu Furukawa

世界の国名クイズ--国名の意味や由来を知る
What is the name of this literally translated country?This app offers a unique twist on geography quizzes by translating the meaning of country names into easy-to-understand sentences. Players must guess the country based on these translations.■ How to UseChoose the correct "country name" from the o
Apr 12,2025

かわいいなぞなぞクイズ
This charming riddle quiz app is perfect for kids! Enjoy a quick and fun quiz anytime you have a few spare moments.
10 questions per round
30-second time limit per question
What's New in Version 1.0.7
Last updated August 7, 2024. Minor text corrections implemented.
Feb 11,2025

いろはかるたクイズ(東京式)
This app tests your knowledge of the "Iroha Uta," a classic Japanese poem. It presents the first half of an "Iroha Uta" phrase and challenges you to select the correct second half from three choices.
The app focuses on Tokyo-style "Iroha Uta" phrases, utilizing the 47 hiragana characters (excluding
Dec 11,2024