A tapan is a traditional drum, used in the folk music in Bulgaria, the countries on the Balkan peninsula, as well as in Iran, Iraq and Armenia. It has many names such as davul, tapan, topan, daouli, dova etc.
This app is a realistic simulation of the instrument, it can be used as a musical instrument for folk dance lessons, concerts and so on. For best sound it is recommended to plug speakers to your device.