This business case report analyzes and evaluates the prospective innovation of Mars (Hong Kong) Group Corporation Ltd introducing a mobile application. Due to changing customer and competitive pressures, the company faces a 118.6 million RMB growth gap over 2 years. The report identifies innovation opportunities like "Try and Buy", evaluates concepts around convenience of at-home shopping via mobile app, and prioritizes an action plan addressing risks like logistics costs and customer experience. The next steps involve rolling out the "Try and Buy" concept while developing future innovations like custom shoe design and virtual sizing applications.