Principia APK latest version

What's new in Principia 2026.10.22

• Improved compatibility and stability for modern Android versions.
• Enhanced display support for edge-to-edge screens and camera cutouts/notches.
• Optimized touch input and gesture responsiveness for gameplay and the level editor.
• Enabled support for high refresh rate displays (90Hz and 120Hz) for smoother visuals.
• Updated storage integration for easier and more reliable level importing and exporting.
• Resolved software keyboard display issues to prevent text fields and menus from being obscured.
• Improved system back button handling for smoother and more consistent menu navigation.
• Audio performance optimizations reducing latency and stutter on Android devices.

Requested Permissions

• android.permission.INTERNET
• android.permission.VIBRATE

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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