Prathap: Imprint the mark, impress the memory. It is an application designed to modernize the traditional stamp-collecting experiences into a digital platform. Travelers are invited to explore seven iconic landmarks in Khao Yai National Park and collect digital stamps to unlock unique character mascots. Prathap tries to resolve the common pain points of traditional stamp collecting, including inconvenience of carrying physical booklets and the risks of loss, tearing, or environmental damage. Furthermore, the application try to use gamification as a tool to encourage travelers to explore all landmarks in Khao Yai National Park.