Baby game to keep your device safe from random baby-taps
About this app
Have a baby curious about shiny tablets and phones? Use this app as a baby-game and, more importantly, to prevent random taps of a baby from doing anything you may not want. This app will show a small piano a baby can use to explore sounds in a mobile device. At the same time, it will block any naive attempts at closing the app. The back, home and apps-menu buttons will be blocked, and Android's top menu won't be available. This ensures a baby can't accidentally close the game, preventing any actions on the device you may not want.
Licensed under GPL-3.0-only.
What's New in v1.27
Imported from the F-Droid repository index.
- New features:
- * Optional setting to disable app pinning, so PianOli can be used without locking the device
- Improvements:
- * More natural multi-touch behaviour when several keys are pressed at once
- * Unlock sequence now waits briefly before opening settings, reducing accidental triggers
- * Targets latest Android SDK
Version history
Apr 21, 2026 · 6.9 MB · Android API 21–36 · code 27
Imported from the F-Droid repository index.
- New features:
- * Optional setting to disable app pinning, so PianOli can be used without locking the device
- Improvements:
- * More natural multi-touch behaviour when several keys are pressed at once
- * Unlock sequence now waits briefly before opening settings, reducing accidental triggers
- * Targets latest Android SDK
SHA-256 45ae187fffe912503f2af1afa5d891f256bf091627bc587b72b0ef547c165da2
Feb 6, 2024 · 6.2 MB · Android API 21–33 · code 25
Imported from the F-Droid repository index.
- Improvements:
- * New melody: Frère Jacques
- * Improved tips for unlocking to avoid frustrated parents who need to access the phone. Previously a single failed attempt at touching the gear icon and you would never see instructions again. Now it will reshow the instructions after a few more attempts.
- Want to help contribute or translate PianOli into your language? Join us on GitHub and Weblate.
SHA-256 89cebebebb7d8f95d59b206826d12db13a28b417bb0b78a19618ebd770a9f530
Oct 25, 2023 · 6.2 MB · Android API 21–33 · code 24
Imported from the F-Droid repository index.
- New translations:
- * Norwegian Bokmål (thanks @kingu)
- * Polish (thanks @gnu-ewm)
- Want to help translate PianOli into your language? Join us on GitHub and Weblate.
SHA-256 eb7b7cdf752668dbf9b0dcfbd869fe19bae733287a5b5c95a4b896bc1cbd22b9
Will it run on your device?
78%
- Runs on a broad range of modern Android versions.
- ABI coverage is focused on newer 64-bit devices.
- 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 com.nicobrailo.pianoli 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, 1.25 is the last build before it. Android will not install an older version code over a newer one, so you must uninstall PianOli 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 PianOli, and a listing is removed when the evidence for it stops holding up.
Get PianOli
Every source we list for com.nicobrailo.pianoli 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
45ae187fffe912503f2af1afa5d891f256bf091627bc587b72b0ef547c165da2
Signing certificate
f670c9407cbe7cee3e26ed29cbb82a700c49e993759498b6eb97c1f277feb5d9
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
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