Vivek Prajapati contributed to the cometchat/docs repository by upgrading the CometChat Android UI Kit from version 5.0.3 to 5.1.0, ensuring the Android UI surface remained aligned with the latest release and simplifying future maintenance. He managed dependency updates using Gradle and TOML, updating both the app-level build configuration and version catalogs for traceability. In addition to code changes, Vivek improved documentation to reflect the latest Android SDK version, updating setup and overview guides in Markdown. His work focused on maintainability and release-readiness, demonstrating depth in Android development, dependency management, and technical documentation over a two-month period.