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The increasing popularity of futsal in Jayapura City has created a growing demand for efficient access to information regarding available sports facilities. However, the lack of an integrated digital platform leads to inefficiencies in locating and booking futsal fields, often forcing users to rely on manual communication or generic navigation services that lack real-time data. This study aims to develop an Android-based application that optimizes the search for the nearest futsal field using the Greedy Algorithm (GA). The system integrates the Google Maps API, the Firebase Realtime Database, and Kotlin/Java to provide real-time field availability, route visualization, and online booking features. The research employed the Waterfall development model, with data collected through observation, interviews, and a literature review, involving 19 futsal fields in Jayapura City. System testing was conducted using Black-Box Testing and User Acceptance Testing (UAT). The results show that implementing the Greedy Algorithm increased route efficiency by 22%, reduced search time by 55%, and achieved 93.2% user satisfaction. All core functions passed functionality testing without errors. This study contributes both practically and theoretically by demonstrating the potential of heuristic-based optimization in sports facility management and promoting smart-city digitalization in urban sports infrastructure.

This research presents the development of an e-commerce application aimed at enhancing the operational efficiency of Khadijah Konveksi, a small and medium-sized enterprise (SME) in the garment industry. The application, developed using Android, Java, and Kotlin, provides features for order management, real-time tracking, and online payment, significantly improving customer experience and operational workflow. Initial feedback indicates a high level of customer satisfaction and a notable increase in operational efficiency. The project also highlights the collaborative efforts between students, faculty, and industry professionals, demonstrating the impact of academic-industry partnerships in driving technological advancements for SMEs  

In the current era, people who own land containing trees and plants have been used as buildings for business and personal interests, increasing population has resulted in increased housing needs, the use of open space for public entertainment has decreased due to the activities of people who are busy working to make ends meet. and the lack of public interest in making the environment more beautiful and sustainable. Even though the existence of a garden in a large building greatly influences the atmosphere in the environment around the building. Apart from that, one of the reasons is the lack of interest of the community in creating a beautiful environment because it is quite difficult to find the services of gardeners around where people live. The problem that occurs is that these gardeners are not exposed to all the gardens they build.