The official companion keyboard for Key Mapper.
About this app
This is the official keyboard for Key Mapper that has a GUI (Graphical User Interface). i.e on-screen buttons!
Key Mapper GUI Keyboard is a fork of OpenBoard, which is a 100% foss keyboard based on AOSP. The keyboard built in to Key Mapper is called the "Basic Input Method" and does NOT have a GUI.
Licensed under GPL-3.0-only, by sds100.
What's New in v1.4.6
Imported from the F-Droid repository index.
Version history
Jan 26, 2025 · 50.8 MB · Android API 19–34 · code 20
Imported from the F-Droid repository index.
SHA-256 22588c96e61777d11985530a69423695e3d83bf3818c5c91e96f2859ec4cff19
Aug 15, 2024 · 50.8 MB · Android API 19–34 · code 19
Imported from the F-Droid repository index.
SHA-256 f6c8c53311c47639c80817f7568902d0cdc8c79000335b97e27545c41bb4b2e0
May 18, 2022 · 48.2 MB · Android API 19–31 · code 18
Imported from the F-Droid repository index.
SHA-256 7a6535e161550fb545e771f6dca7236c30555d1cd148a9542df51535c0122ec6
Will it run on your device?
87%
- Runs on a broad range of modern Android versions.
- Multiple CPU architectures are covered.
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 io.github.sds100.keymapper.inputmethod.latin 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, 1.4.5 is the last build before it. Android will not install an older version code over a newer one, so you must uninstall Key Mapper GUI Keyboard 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 Key Mapper GUI Keyboard, and a listing is removed when the evidence for it stops holding up.
Get Key Mapper GUI Keyboard
Every source we list for io.github.sds100.keymapper.inputmethod.latin is legality-reviewed. Pirated or cracked builds are never offered.
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
22588c96e61777d11985530a69423695e3d83bf3818c5c91e96f2859ec4cff19
Signing certificate
b71e5de48bff017a4b23e2cd25bfb1d78826ae47c1f10d300b013b071882cc0e
Permissions Required
Previous Versions
The signing certificate fingerprint for this release is on record, so a build that does not match it did not come from this publisher.
Report a problem with this listing
A listing is only as good as its corrections. If a source is broken, a signature looks wrong, or this app should not be here, tell the moderation team.