The development of a one-stop startup system that was initiated directly by the Provincial Government, which can increase tourism promotion, cooperatives, and SMEs in South Sumatera Province is urgently needed. The system is used in 13 districts and 4 cities in South Sumatera Province. The purpose of this study is to recommend an innovative design for a new model of startup system that integrates cooperatives and SMEs as well as Android-based tourism into an Android-based marketplace. System Development with Rapid Application Development (RAD) Method, with 3 major phases involving users and analysts in the assessment, design, and implementation process. The results of this study recommend an android-based startup application called the IBSSumsel Application. The IBSSumsel application can be a medium for promoting potential products of the Office of Cooperatives and SMEs in South Sumatera Province. The IBSSumsel application can integrate the tourism sector, cooperatives, and SMEs with the community so that these products can be better known to the community and provide convenience in accessing these products. In addition, the IBSSumsel application can be a medium for the Office of cooperatives and SMEs in monitoring the development and performance of cooperative and SME coaching. Its implementation will be able to assist local governments in realizing independent and competitive Cooperatives and SMEs and of course able to face the challenges of the 4.0 era.