
At a glance
- Latest version
- v1.2.2 (421)
- Updated
- Jun 28, 2026 (3 months ago)
- APK size
- 3.3 MB
- Requires
- Android 7.0+ (API 24)
- CPU support
- Any (no native code)
- Category
- Educational (game)
- Listed since
- Aug 16, 2021 (at least)
- Permissions
- 4 (2 sensitive)
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
CB1 Blockly is a game by T2T Inc. in the Educational category, listed since at least August 2021. It has no native code, so it runs on any Android processor.
It asks for 4 permissions, 2 of them sensitive: Bluetooth connect and Bluetooth scan.
What's new in v1.2.2
Description
From the listing uploaded by “appupdater”.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Jun 28, 2026.
- Certificate issued to “T2T Inc.” This is the certificate of the Google Play version.
Store checks and file details
- Developer signature verified Jun 28, 2026
- Validated against Google Play Jun 28, 2026
- Signed byCN=Clement Yu, OU=R&D, O=T2T Inc., L=Taipei, ST=N/A, C=TW
- Signing certificate (SHA-1)B5:D2:C4:F2:83:B6:47:D1:19:83:CF:F3:27:EC:C9:4E:E1:D7:1F:90
- File MD5892edeeccdfa21458399748a90efb619
- 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 (4)
CB1 Blockly requests 4 permissions, 2 of them sensitive.
- Bluetooth connect Sensitive android.permission.BLUETOOTH_CONNECT
- Bluetooth scan Sensitive android.permission.BLUETOOTH_SCAN
- Full network access android.permission.INTERNET
- Internal broadcast protection (app-defined) io.t2t.cb1blockly.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Required hardware & features
- Bluetooth android.hardware.bluetooth
- Basic touch input android.hardware.faketouch
- Location android.hardware.location
- Landscape screen android.hardware.screen.landscape
CB1 Blockly APK: questions and answers
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 CB1 Blockly 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 892edeeccdfa21458399748a90efb619.