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Goo-goo ga-ga

AI translator with deep linguistic insights and offline language detection
New in version 1.3.0
- Subtitle SRT/VTT translation with silence-aware smart chunking and checkpoint recovery.
- Token Guard for non-dialogue cues and sound effect preservation.
- Fix bugs and improve performance.
- Update libraries
Goo-goo ga-ga is an intelligent, open-source AI translator powered by Google Gemini and offline on-device language detection with Lingua.

Note: A personal Google Gemini API key is required to use translation features (a free API key is available from Google AI Studio).

Features:
- Direct Translation with screen-optimized layout formatting.
- Deep Linguistic & Cultural Insights: Key terms, slang, idioms, and cultural context breakdown.
- Subtitle & Long Text Translator: Translate SRT/VTT subtitle files with interactive synchronized player.
- Instant System Text Selection: Translate highlighted text directly across any app via Android Process Text.
- 100% Privacy Focused: Your API key is stored strictly on your local device.

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

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  • Version 1.3.0 (7) suggested Added on Oct 22, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 13 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • com.techfox.gugugaga.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 43 MiB PGP Signature | Build Log