The top 20 popular Paid Books & Reference Apps for Android in Japan

Check out the top Books & Reference Apps which are a paid download. We went through all Books & Reference Apps for Android on Google Play in January 2026 and picked the best ones for you to download onto your Android phone. This Android app list is sorted by the popularity in Japan. Last updated on 2026-01-02.
app icon
0.0
$2.99
Inbook Co., Ltd.
100+ downloads
BOOKS_REFERENCE
Большой Энциклопедич. Словарь
Это Большой Энциклопедический Словарь (БЭС), содержащий 72000 статей. Словарь работает в режиме ОФФЛАЙН и не требует ин…