Development of technology information increasing very fast from time to time. So, its doesn't necessary become confuses when we see people play music such as guitar, piano by using their gadget. With the development technology of smartphone, Android make devices possible to play Balinese traditional musical instrument such as gamelan, and Angklung. This Angklung instrument application provides 3 (three) options namely Jegogan, Tawa-tawa, and Kecek. The process of making this application is saving all of the traditional musical instrument one by one, then the next process is designing the user interface design. The way to use this application is touching the picture of musical instrument to play the music. How to play this application by touching the blades of the instrument to play. In this invented applications gambelan classic Balinese Angklung is expected to know the people interested in traditional classical instrument Angklung Bali, and can easily learn to use the instrument just by using a smartphone based on Android. In addition it is expected that these applications can introduce Angklung classic traditional Balinese arts especially gambelan Angklung Bali to the public.