Technical bug report for MTG Arena on Android regarding a persistent full-screen input issue. The application loads smoothly, renders animations normally, and establishes a network connection, but it completely fails to execute any UI script actions upon touch input in full-screen mode. Every tap physically triggers a visual response, such as a button flashing or highlighting, which confirms that Android and the device touch panel are registering coordinates accurately. However, the game logic fails to launch the corresponding menu, step, or action. I have attempted basic application and device restarts, completed full application data and cache purges, and performed a clean uninstallation and reinstallation from the Google Play Store with cloud backups disabled. I have also tested mobile data, and Wi-Fi connections to rule out asset delivery blocks, tested rotation and windowing modes, and verified that no accessibility tools, display overlays, or screen readers are active. Because taps visually register but drop script execution, this appears to be an EventSystem execution deadlock or window manager coordinate desync within the Unity engine build for this specific hardware configuration. Please investigate if an account-side state reset or a client patch for this processor profile is required.