oj_helper Encyclopedia app for Android description
An app for looking up OJ information
An app for looking up OJ information
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Antivirus & safety scan results
Scan Date: Mar 27, 2026
Software Version: 2.9.3
Status: ⚠️ Warning
This app is signed with a debug certificate or allows debugging, which is suspicious and may not be safe to install (read more)
Certificate fingerprint: f0f22743c6c6095d5d23ac43fd9d0624c2cdf36e Issuer: CN=Android Debug, O=Android, C=US How we verify APK files security
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Specifications
| Package Name | com.example.oj_helper |
| Requirements | Android 7.0 (Nougat API 24) |
| Author | Kano07 |
| APK Size | 19 MB |
| Categories | Education and Leisure, Encyclopedia |
| Source Code | https://github.com/2754LM/oj_helper |
Old Versions
2.9.2 APK
February 23, 2026
2.9.1 APK
November 19, 2025
2.9.0 APK
November 17, 2025
