Chordana Play is an app by CASIO COMPUTER CO., LTD. in the Music & Audio category, listed since at least June 2021. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
It asks for 10 permissions, 4 of them sensitive, including Bluetooth connect, Bluetooth scan and modify shared storage.
What's new in v2.0.5
・Fixed bugs.
Description
From the listing uploaded by “appupdater”.
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Compatibility testing for Chordana Play on devices running Android 13 has identified a bug that prevents some functions from working properly when using Bluetooth MIDI.*
This bug occurs only with Android 13.
• On Google Pixel series models (excluding Pixel 4/4 XL), we have confirmed that this issue was resolved by the monthly update in March 2023.
• The update status for other smart devices varies according to manufacturer or device. Contact your manufacturer or communications service provider for information on the response status.
Please refrain from using this app on Android 13 until the issue is resolved. We apologize for any inconvenience.
This problem does not arise on devices running Android 12 or earlier or when a USB cable connection is used.
* When Wireless MIDI & Audio Adaptor (WU-BT10) is used.
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*To use the lesson mode with the Wireless MIDI & audio adaptor (WU-BT10),
the system requirement of the smart device must be Android OS 8.0 or higher and a Bluetooth® Low Energy compatible device.
Learn your favorite songs.
1. Music score and piano roll notation make it fun and easy to learn!
Chordana Play displays the music score and piano roll notation for built-in songs and MIDI files.
2. Use the 50 built-in songs or import standard MIDI files
Play one of the 50 songs included in Chordana Play, or add MIDI files.
3. Lesson Mode
Using either the app's keyboard or a USB-connected musical instrument keyboard, you can take a three-step lesson while following the music score and piano roll.
4. Audio Mode
Play back audio on your device with musical tools such as key shift and tempo change, looping, and melody cancel.
5. Connecting your smart device to a musical instrument via a wireless adapter
● Supported CASIO Keyboard models
CT-S1, CT-S400, CT-S410, LK-S450
● What is needed for connecting and the connection method used
See here for more details on connections.
https://web.casio.com/app/en/play/support/connect.html
6. Connecting your smart device to a musical instrument via a USB cable
● Supported CASIO Keyboard models
CT-S1, CT-S195, CT-S200, CT-S300, CT-S400, CT-S410, LK-S250, LK-S450
● What is needed for connecting and the connection method used
See here for more details on connections.
https://web.casio.com/app/en/play/support/connect.html
7. Keyboard Link
● Supported CASIO Keyboard models
LK-265, LK-266, CTK-2500, CTK-2550, and CTK-3500
● Stereo mini to stereo mini cable required.
The keyboard link function enables you to use an audio cable to send melody and chord data along with the audio playback. Use the keyboard's light-up function and practice step-up lessons directly on the keyboard itself. The function has two modes.
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★System Requirements (Information current as of April 2021)
Android 4.4 or later required.
Recommended RAM: 2 GB or more
*To use while connected to a supported CASIO keyboard, an OTG-compatible smartphone/tablet running Android 6.0 or later is required. (Some smartphones/tablets may not be supported.)
*Lesson Mode cannot be used via a Bluetooth® connection on Android 6.x or 7.x devices.
Recommended for use on the smartphones/tablets listed below.
Operation is not guaranteed on smartphones/tablets not included in the list.
Smartphones/tablets for which operation has been confirmed will be progressively added to the list.
Note that smartphones/tablets for which operation is confirmed may still fail to display or operate correctly following updates to the smartphone/tablet software or Android OS version.
Not compatible with devices that use an x86 CPU.
[Supported smartphones/tablets]
https://support.casio.com/en/support/osdevicePage.php?cid=008003001
Security & authenticity
Security rating: Trusted
Signing certificate
Signature matches the Google Play versionChecked by the source store on Apr 24, 2026.
Certificate issued to “CASIO COMPUTER CO., LTD.”This is the certificate of the Google Play version.
Uploaded by “appupdater”Gold tier · 117,810 followers · uploading since 2020
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (10)
Chordana Play requests 10 permissions, 4 of them sensitive.
Bluetooth connectSensitiveandroid.permission.BLUETOOTH_CONNECT
Bluetooth scanSensitiveandroid.permission.BLUETOOTH_SCAN
Can I install this APK over the version I already have?
Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.
Is the Chordana Play APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. After downloading, check that the file's MD5 is b28fd62043b129a84632be5e05c1b4c2.