Over a two-month period, this developer enhanced the rdkcentral/entservices-deviceanddisplay and rdkcentral/entservices-apis repositories by delivering foundational frame rate control features and improving API reliability. They implemented the IFrameRate interface and frame rate management API using C++ and YAML, enabling dynamic display frame rate adjustments and notification handling. Their work included developing Level 1 tests and integrating test infrastructure with CI/CD pipelines, leveraging CMake and mocking techniques to ensure robust plugin functionality. Additionally, they resolved a critical DeviceInfo API bug, ensuring accurate system time retrieval for downstream analytics and features, demonstrating a focus on correctness, maintainability, and system integration.