ABSTRACT: The proliferation of digital technologies in higher education has created both opportunities and challenges for academic resource sharing. While students increasingly seek peer-driven learning experiences, they simultaneously face critical trust issues with informal note-sharing channels such as WhatsApp, Telegram, and generic cloud platforms. This paper presents NoteHub, an Android-based mobile application designed to address documented gaps in academic resource sharing by integrating three core innovations: (1) an administrator-mediated verification system ensuring content authenticity, (2) real-time cloud synchronization via Firebase infrastructure, and (3) gamification mechanisms promoting sustained user engagement. Through Design Science Research methodology, the system was developed over 18 weeks using Agile practices and evaluated through mixed-methods evaluation involving 150 undergraduate students across a 12-week deployment period. Quantitative findings demonstrate significant improvements: user confidence in note authenticity increased from 42% (informal channels) to 88% (NoteHub platform, p<0.001), mean System Usability Scale score reached 78.9 (indicating
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