Worked on the Hermes repository to restore the AndroidUnicodeUtils.java utility, which had been previously deleted, thereby re-enabling essential locale-aware operations for Android applications. The restoration focused on supporting internationalization by handling string comparison, date and time formatting, case conversion, and Unicode normalization, all implemented in Java. This effort stabilized cross-locale functionality and reduced defects related to locale handling, ensuring correct behavior for users in different regions. The work demonstrated careful code recovery and maintenance, preserving critical Unicode workflows and improving the reliability of internationalization features within the Hermes codebase, with a focus on Android development and Unicode handling best practices.