Resumen
In this paper, the process of developing a musicalmobile application has been described. The main motivation for this product is to support Samsung BADA apps market. We have developed this product based on two perspectives: educational and entertainment. The product can teach users how to play piano and at the same time, they can use it for fun, i.e., just to play piano like a real piano instrument. Firstly, we have studied and analysed the similar current products to know and understand the main functions of such product. Later we used prototype methodology, the final product generated after 8 prototypes. As a conclusion, this product (The Pianist) introducing a smart phone as a musical instrument which can be used for learning and playing piano.