Francesco De Blasio worked on the rh-hideout/pokeemerald-expansion repository, focusing on data-format standardization to improve debugging and cross-module data handling. He implemented a conversion of Apprentice Trainer IDs from hexadecimal to decimal within apprentice.h, ensuring that core game functionality remained unchanged while unifying data representation. This C-based refactoring targeted data management challenges, reducing parsing errors and simplifying future analytics. Although the scope was limited to a single feature and did not include bug fixes, the work demonstrated careful attention to maintainability and low-risk code changes. His contributions reflect a methodical approach to game development and structured data handling.