WSO2 Enterprise Mobility Manager (WSO2 EMM) is an open-source platform designed for secure management of mobile devices and applications within enterprises, addressing challenges related to employee mobility and security. It offers features like role-based permissions, policy enforcement, device and app management, and supports deployment across various environments including on-premise and cloud solutions. The platform has capabilities for user self-enrollment, remote device operations, and includes an enterprise app store for centralized app management.