The project consists of developing a mobile application for Arepa de Huevo producers in the municipality of Luruaco, using the agile XP development methodology. An analysis of requirements and a literature review are conducted to meet the need for access to new marketing channels. The application development was divided into four phases: exploration, design, development, testing and deployment. We used "Thinking Aloud" methodology was used in usability testing, where users spoke about their thoughts while interacting with the application. The test results showed good ratings in aesthetics, ease of use, content and information, and usefulness of the application. User feedback was collected for future improvements. The development of the application has been a significant experience for the authors, facing the challenge of learning a new programming language and using tools like Nodejs and React Native. Additionally, the satisfaction of contributing to the community and applying acquired knowledge to solve local problems is highlighted. The result of this exercise is a mobile application that meets the requirements and needs of egg arepa producers in Luruaco, applying the XP methodology and obtaining satisfactory results.