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SubSonicSter

Play Hitster card game with your own SubSonic music server
SubSonicSter is a Hitster-compatible card game app that uses SubSonic-compatible music servers for playback.

Features:
• QR code scanning for Hitster game cards
• CSV-based song mapping for different card sets
• SubSonic API integration for music search and streaming
• Audio playback with buffering using ExoPlayer
• Card set configuration and availability checking
• Modern Material Design 3 UI with Jetpack Compose

Requirements:
• A SubSonic-compatible music server (e.g., Navidrome, Airsonic, Gonic)
• CSV files mapping QR codes to songs (available at https://github.com/andygruber/songseeker-hitster-playlists)
• Hitster game cards with QR codes

How It Works:
1. Configure your SubSonic server connection
2. Download or import CSV files for your Hitster card sets
3. Scan QR codes from Hitster cards
4. The app searches your music server and plays the matching song

The app connects to your self-hosted music server and plays songs based on QR codes scanned from Hitster game cards. No Spotify subscription required!

Privacy:
• No telemetry or analytics
• All data stays on your device and your music server
• Open source and F-Droid compatible

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.

Download F-Droid
  • Version 2.2.1 (12) suggested Added on Apr 19, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 7.0 or newer.

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

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • take pictures and videos
      This app can take pictures and record videos using the camera while the app is in use.
    • 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.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • rocks.langhaarschneider.subsonicster.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 18 MiB PGP Signature | Build Log

  • Version 2.2.0 (11) - Added on Apr 12, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 7.0 or newer.

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

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • take pictures and videos
      This app can take pictures and record videos using the camera while the app is in use.
    • 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.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • rocks.langhaarschneider.subsonicster.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 18 MiB PGP Signature | Build Log

  • Version 2.1.7 (10) - Added on Apr 05, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 7.0 or newer.

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

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • take pictures and videos
      This app can take pictures and record videos using the camera while the app is in use.
    • 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.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • rocks.langhaarschneider.subsonicster.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 18 MiB PGP Signature | Build Log