About this app
Improve your Japanese reading skills with the charming folk tale 'Omusubi Kororin' (The Rolling Rice Ball)! This app offers a side-by-side bilingual reading experience in Japanese and English, designed to help you acquire vocabulary and understand grammar in context. Follow the heartwarming story of an honest old man whose dropped rice ball leads him to a magical underground world of singing and dancing mice. Perfect for beginner learners (JLPT N5), this app bridges the gap between textbooks and native literature with built-in furigana, romaji, and interactive reading aids.
Latest release
What’s New
UI updates
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 4, 2026 · 7:03 AM Free