Traditional Chinese keyboard for the EZ Input Method, with English predictions.
About this app
RakuRaku IME is a modern rebuild of the classic EZ Input Method (輕鬆輸入法) for Android, built with Jetpack Compose and Room. Type Traditional Chinese using 高衡緒's shape-based radical system, with a live candidate bar and near-instant prefix matching powered by a full-text-search dictionary that ships pre-packaged inside the app — no initial download required.
Features
* Full EZ radical layout with phrase composing rules. * English word prediction backed by the Google 10K common-word corpus. * Emoji keyboard with eight categories and 1,184 emojis. * Dialer-style number pad. * Split keyboard in landscape, adjustable height, optional keypress vibration. * Material You theming on Android 12+, with a Solarized fallback on older devices or by user choice. * Traditional Chinese (臺灣) and English UI; per-app language picker on Android 13+. * Fully offline — no network access, no analytics, no tracking. Your keystrokes never leave the device.
Credits
* Dictionary data by 高衡緒 and 輕鬆資訊企業社 (no longer operational), distributed under GPLv2 and the 《輕鬆資訊「輕鬆輸入法大詞庫」公眾授權書》. * English word list: Josh Kaufman's Google 10000 English (MIT). * Emoji layout: adapted from the MeaninglessKeyboard project (GPL-3.0).
This app is free software, licensed under GPL-3.0-or-later. Source code and issue tracker: https://github.com/hiroshiyui/RakuRakuIME
Licensed under GPL-3.0-or-later, by Hui-Hong You.
What's New in v1.1.0
Imported from the F-Droid repository index.
- - New: User Phrase Manager. Add, edit, search, and delete your
- own phrases under Settings → User Phrase Manager. Your phrases
- are always ranked ahead of the bundled corpus for matching
- keystrokes, with an "Analyse Roots" button that derives the
- canonical EZ keystrokes from the phrase length and per-char
- encoding rules. Per-phrase use is tracked so frequently used
Version history
May 20, 2026 · 7.2 MB · Android API 26–37 · code 14
Imported from the F-Droid repository index.
- - New: User Phrase Manager. Add, edit, search, and delete your
- own phrases under Settings → User Phrase Manager. Your phrases
- are always ranked ahead of the bundled corpus for matching
- keystrokes, with an "Analyse Roots" button that derives the
- canonical EZ keystrokes from the phrase length and per-char
- encoding rules. Per-phrase use is tracked so frequently used
SHA-256 fd4c9af2eb3a575c1bb2e3da893d8cda1e6fa28b8239c7d00ab5ee55acaebb94
May 11, 2026 · 7 MB · Android API 26–36 · code 13
Imported from the F-Droid repository index.
- - New: candidate ordering is now seeded with corpus-derived
- weights from the MOE 八十五年常用語詞調查 字頻／詞頻 tables, so
- fresh installs surface common characters and phrases in a
- sensible order from the very first use — your own usage still
- takes over as you type.
- - New: the post-selection next-character strip uses the same
SHA-256 edec4047795328aa43dadc26fd69e289aa17889216c5846de6a38a45813681f1
May 7, 2026 · 6.2 MB · Android API 26–36 · code 11
Imported from the F-Droid repository index.
- - New: next-character predictions in EZ mode. After picking a
- candidate, the bar surfaces likely follow-up characters mined
- from the bundled phrase corpus (e.g. 信 → 件 / 箱 / 封 / 賴 /
- 任). Predictions are tap-only, with no 1–0 shortcut labels so
- EZ digit roots keep their normal keystroke meaning; any new
- keystroke dismisses the strip.
SHA-256 ef68847844ab3dc0d7cd1bcc7a40d542d1cc347d800361e3e953ecac053946c9
Will it run on your device?
92%
- Runs on a broad range of modern Android versions.
- Multiple CPU architectures are covered.
- Aligned with the latest Android target SDK expectations.
Installation Guide
Open Settings on your Android device
Go to Security → Unknown sources (or Install unknown apps)
Enable "Allow from this source" for your browser or file manager
Open the downloaded APK file from your Downloads folder
Tap "Install" and wait for installation to complete
Launch the app from your home screen
Make sure to re-enable Unknown Sources restrictions after installation for security.
How to install this safely
How to verify the file you downloaded
Before you install anything, confirm the file is the one described here. On a computer, run shasum -a 256 your-download.apk (macOS or Linux) or certutil -hashfile your-download.apk SHA256 (Windows), then compare the output character-for-character with the SHA-256 on this page. If a single character differs, the file is not the build we recorded — delete it.
What the signing certificate proves
Every Android app is signed with a private key that only its developer holds. The fingerprint on this page is a hash of the matching public certificate, and it proves continuity rather than identity: it tells you a build came from whoever signed the earlier ones. Android enforces this at install time — if a package claiming to be org.ghostsinthelab.app.rakurakuime is signed with a different key, the system will refuse to install it over your existing copy. A fingerprint that changes between releases is worth pausing on, because a repackaged app that has been modified by someone else cannot keep the original signature.
How to roll back to an earlier version
If the current release misbehaves, 1.0.11 is the last build before it. Android will not install an older version code over a newer one, so you must uninstall RakuRaku IME first — which clears its local data unless you have a backup. Reinstall the older APK only if its signing fingerprint matches the build you already trust, and check the API range: an older release may target an Android version your device has moved past.
Why we list sources instead of hosting everything
The official store channel is almost always the right choice: it updates automatically and carries the publisher's own distribution guarantees. A direct APK is useful when a device has no store access, when a rollout has not reached your region, or when you need a specific version — and only when the publisher has authorized that copy. APKBrowse does not list pirated, cracked, or unauthorized rebuilds of RakuRaku IME, and a listing is removed when the evidence for it stops holding up.
Get RakuRaku IME
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Other sources
F-Droid listing
officialF-Droid builds this app from source and signs it. This is its official listing, with older builds and full release notes.
Source code
verified publisherThe upstream repository this build is compiled from.
We check legality and signature continuity, but device behaviour still varies. Install at your own discretion.
App Information
Security Verification
We record provenance; we do not run malware scans. Verify the hash yourself before installing.
SHA-256 Hash
fd4c9af2eb3a575c1bb2e3da893d8cda1e6fa28b8239c7d00ab5ee55acaebb94
Signing certificate
be5c96bb575118aa0319994a84ae5d88bc459b6016c78a00ad9e6b3d30ae42e5
Permissions Required
What each permission lets RakuRaku IME do. A highlighted one is worth a second look — not necessarily wrong, just worth asking whether this app needs it.
Previous Versions
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