Tom Dryer enhanced the Ghostty-app within the pacstall/pacstall-programs repository by focusing on desktop integration and user experience improvements. He implemented missing icons and extracted desktop entry assets directly from the AppImage, aligning the application with upstream standards and improving consistency for desktop users. Using Python and Shell scripting, Tom upgraded the application to version 1.2.3, ensuring compatibility with the latest features and fixes. His work in Linux packaging and desktop application development streamlined the launch process and reduced support overhead, delivering a more polished and integrated terminal emulator experience for users within the Linux desktop environment.