Kii is a cloud service platform that provides tools for developers to build and manage applications. It offers features such as data storage, user management, and analytics, making it easier for businesses to create and scale their apps. Kii is designed to support various platforms, including mobile and web applications. Founded in 2011, Kii aims to simplify the development process by providing a robust backend infrastructure. It is particularly popular among developers of Internet of Things (IoT) applications, as it allows for seamless integration and management of connected devices.