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: Sep 2, 2025
Software Version: 2.8.0
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: 5acb1f64fea570451275573028a19d4eb50c073a Issuer: CN=Android Debug, O=Android, C=US How we verify APK files security
What's new in v2.8.0
- Fixed an issue where usernames with underscores on Luogu could not be queried.
- Android version is now released with architecture-specific builds. If unsure, try the arm64 version first.
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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
2.7.0 APK
May 3, 2025
2.6.0 APK
March 21, 2025
2.5.0 APK
February 3, 2025
