This document outlines an immediate party planner mobile application. The app allows users to sign in as either a host or service provider. As a host, users can view available services by category, see service details, place orders, add reviews. Service providers can add new services or categories, view and accept/reject orders. The document discusses functional requirements like signing in, viewing services, placing orders, and adding reviews. It also covers non-functional needs such as fast response time, security, and usability. Diagrams are included for classes, use cases, data flow, and a Gantt chart schedules 60% of the project implementation.