This document outlines a study to identify the functional requirements of a mobile application for fishermen. It analyzes past projects involving fishermen apps to extract common requirements like checking weather/safety information, market prices, and locations of fishing areas. It then proposes a user interface design methodology involving understanding user needs, designing the app interface, and getting user feedback. The study identifies 7 key functional requirements for the fishermen app based on its content analysis. These include checking weather/safety, storm tracks, market prices, fishing tips, and facilitating buying/selling of catches between fishermen. The document concludes that understanding user requirements is important for ensuring acceptance of the mobile app.