Worked on the bmax121/APatch repository, focusing on enhancing security and configuration accuracy for Android deployments. Addressed a critical SELinux context issue by updating the default context for excluded applications from 'magisk' to 'untrusted_app', ensuring alignment with Android’s standard SELinux policy. This fix reduced the risk of misconfiguration and improved consistency across APatch package configurations. The work involved careful system configuration and a strong understanding of SELinux policies, utilizing Kotlin for implementation. By aligning APatch with Android’s expected security posture, the changes contributed to more maintainable workflows and streamlined future development within the Android development environment.