Bruno Uy contributed to emulator development and documentation quality across two repositories, focusing on practical improvements. For OpenRakis/Spice86, he enhanced DOS emulator memory management by implementing interrupt-based APIs and refining allocation strategies using C#, which improved stability and compatibility for legacy software and games. His work addressed edge cases, such as memory fragmentation and specific game issues, resulting in more reliable memory handling. In filipnavara/runtime, Bruno improved documentation accuracy by correcting technical descriptions in Markdown, reducing confusion for users and contributors. His efforts demonstrated attention to both code robustness and clear communication, with depth in C# programming and memory management.