GuitarFretboardTrainer APK latest version

How to install open source APK files on Android

1. Once you have downloaded the APK file, open your Android settings.
2. Tap on "Security".
3. Scroll down and tap on "Unknown sources".
4. Tap on the toggle switch to turn on "Unknown sources".
5. Locate the APK file on your device. It may be in your downloads folder, or it may be in a different folder depending on where you downloaded it from.
6. Tap on the APK file to start the installation process.
7. Follow the on-screen instructions to complete the installation.

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