코로나 VIEW is a free Chrome add-on developed by GO-GUMA that provides information on COVID-19 cases in South Korea, including the number of confirmed cases and new cases in the user's selected city or province. This tool allows users to easily stay updated on the current situation of COVID-19 in South Korea.

With 코로나 VIEW, users can quickly access and view the number of confirmed cases and new cases in South Korea as a whole. Additionally, users can select their preferred location and view the COVID-19 data specifically for that area.

As for the future development plans, 코로나 VIEW aims to provide data for currently unsupported regions within South Korea, such as specific districts and counties. Furthermore, the tool plans to incorporate user location information to enable easy customization of the user's preferred location.

Overall, 코로나 VIEW is a useful tool for individuals in South Korea who want to stay informed about the COVID-19 situation in their selected area or nationwide.