Kamus Indonesia Jepang Offline is a free dictionary app for Android developed by bonkapp. It falls under the Education & Reference category and specifically the Books subcategory. The app is designed to provide users with a comprehensive dictionary that can be accessed offline.

One of the app's best features is its offline capabilities, allowing users to access the dictionary without an internet connection. The app has a database of over 38,000 words and is equipped with a translation of the alphabet and kanji readings, making it easier for users to understand the meaning of the words. Additionally, the app allows users to search for Japanese-Indonesian words by simply typing the spelling alphabet, which eliminates the need to use the keyboard letters of the Japanese language.

The app also has a Text-to-Speech feature that can read the words aloud for users. Moreover, users can add their own words to the application's database, making it a more personalized experience. Finally, the app provides a variety of color themes to choose from, allowing users to customize the app's appearance to their liking.