Contributed to the vechain/app-hub repository by enhancing the app submission workflow and expanding the application catalog. Focused on documentation using Markdown, this developer clarified submission guidelines, added a VeBetterDAO ID example, and removed the Connex support requirement to streamline onboarding and reduce friction for contributors. In addition, delivered the vet.restify application with a sustainability tag and integrated branding assets, improving catalog completeness and discoverability for sustainability-focused apps. The work emphasized clarity, process alignment, and branding consistency, with all changes implemented through targeted documentation updates and asset integration. No bug fixes were required during this period, reflecting stable project maintenance.