The top 20 popular Libraries & Demo Apps for Android in Japan under 10 MB
Google Play has 2,513 Libraries & Demo apps, the 31st largest app category. 343 of them have at least 50,000 installs. 1% are paid, and the average rating is 4.0. Ranked by popularity in Japan. Together these 20 apps got 480K installs in the last 30 days. おサイフケータイ Webプラグイン(連携用) got the most installs in the last 30 days: 460K. Install counts come from Google Play.
Last updated on 2026-10-29.
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App
Installs, 30 days
vs 30 days before
Last 12 weeks
Total installs
On Play
