별별강남 is a lifestyle app available on Android that aims to provide tourists and residents of Gangnam with a custom service experience. Developed by 서울특별시 강남구, this app offers a range of features to enhance the user's experience in Gangnam.

One of the key features of 별별강남 is the function of Shared Economy, which allows users to easily share nearby locations, products, and medical auxiliary apparatus. This promotes a sense of community and collaboration among users.

Additionally, the app provides up-to-date information on various environmental factors such as Ultra Fine Dust, Fine Dust, Temperature, Humidity, and Noise through environment sensors in Gangnam. This allows users to stay informed about the local conditions and make informed decisions.

Furthermore, 별별강남 offers information about ongoing festivals and other events in Gangnam through its "Gangnam Hot Issue" menu. This helps users stay updated with the latest happenings in the area.

Overall, 별별강남 is a comprehensive app that caters to the needs of both tourists and residents in Gangnam. With its Shared Economy feature, environmental information, and event updates, it aims to provide a personalized and convenient experience for users.