The top 20 popular Free Libraries & Demo Apps for Android in Japan

Check out the top Libraries & Demo Apps which are free to download. We went through all Libraries & Demo Apps for Android on Google Play in October 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 2026-10-01.

Wi-Fiスポット設定 – Click to show

おサイフケータイ Webプラグイン(連携用)

FeliCa Networks, Inc.

一部サービスではおサイフケータイ Webプラグインではなく、こちらのおサイフケータイ Webプラグイン(連携用)が必要となります。 ■本アプリに対応している主なおサイフケータイ対応サービス＜2024年6月時点＞・電子マネー「楽天Edy」・JAL タッチ＆ゴーサービス・ゴールドポイントカード・dポイントカード ■ご利用上の注意事項・本アプリはおサイフケータイ対応スマートフォンでご利…

Free

2.6

50,000,000+ downloads

Libraries & Demo

IpSensorMan

Ifor Powell

IpSensorMan Manages talking to various sporting sensors using ANT+™ or Bluetooth or Bluetooth Low Energy interfaces. Using a separate app allows multiple client apps to access to the sensors…

Cardboard

Google LLC

Cardboard puts virtual reality on your smartphone. The Cardboard app helps you to launch your favourite VR experiences, discover new apps and set up a viewer. The app is now built on the Cardboard op…

Free

3.3

10,000,000+ downloads

Libraries & Demo

Send to Framebuffer

Sven Killig

Requires root, a kernel with USB host/OTG mode, dalvik.vm.heapsize=42m and a DisplayLink monitor/adapter! Send photos from any app to an attached Linux framebuffer device like a DisplayLink monitor/…

BioTag+

biocv.gmbh

Managing your barn animals has never been easier. With BioTag+, your Android device becomes an essential tool for organizing and monitoring your livestock effortlessly. Scan animals in seconds, locat…

PureEPUB: EPUB Reader – Click to show

Loud Alarm & Siren Sounds

GhlAppss

Personalize your phone with loud alarms, sirens and heavy-sleeper sounds. Browse the collection, preview sounds and choose a tone that fits your style. Use your favorite sounds for incoming calls, S…

STEM Suite

fischertechnik

STEM Suite – Discover Robotics, Coding & AI in the Classroom With the STEM Suite App, teachers and students get access to over 140 hours of interactive learning content – all in one …

Wealth AI

Wealth AI Mobile is the companion app for the Wealth AI web platform (app.wealthai.trade) — a software solution for the independent generation of cryptocurrency trading strategies. The mobile …

AirPlay: Cast to TV

Shadow soft

AirPlay - Cast to TV makes it easy to cast supported content from your Android smartphone to a TV or another compatible screen. Stream web videos, music, movies, photos, and other supported media on …

Gradska knjižnica Pakrac – Click to show

Yolo's Realm | Play Samples

Google Samples

Yolo's Realm is a sample app to showcase how to integrate one-time products (OTPs) with Play Billing Library. This sample app emphasies on the various billingResult codes returned by PBL and how to p…

agribook – Click to show

PRéSantés

MERMED

Application destinée à faciliter le placement et l'orientation des personnes sans abri ou en grande précarité dans l'aire marseillaise, afin de favoriser leur accès…

백석예술대학교 도서관 – Click to show

Nedex Coach VGC

Digital VE

Nedex Coach VGC is the ultimate tool for competitive Pokémon Champions players. Built for the Doubles VGC format, it helps you prepare for every battle with real tactical intelligence. 🏆 TEA…

Shut App: Quiet Office Space

TarrySoft

Shut App (Sounds like shut up) automatically silences people who make noise or talk too loud - "SHH!" There are different modes to choose from, and more than 20 quieting sound effects to s…

Identikyc sdk demo – Click to show

Ruang Buku Kominfo – Click to show

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