Indonesia has various vernaculars. One of the most known vernaculars is Javanese Language (originally called as Basa Jawa). Basa Jawa is found as an interesting vernacular to be learnt. It is not impossible for every Indonesian, whether a Javanese or not, to understand Basa Jawa. A simple Basa Jawa speaking guide device can help people a lot in learning to speak Basa Jawa. Mobile phones are becoming more powerful nowadays. Smartphone has the capability to run such a translator application. With interactive devices like Android, which already provide useful features, has made a breakthrough in such education field. People can now learn to speak Basa Jawa anytime and anywhere. By using the application, people not only improve their ability in speaking Basa Jawa, but also help Indonesia to conserve its vernacular indirectly. The application will offer the users an interactive Basa Jawa speaking guide that gives translation of the searched word or phrase with the sound of how to pronounce it. It can be used as a learning device, guiding device when user is needed to speak Basa Jawa, or even just for making fun with friends. The application user interface itself is very friendly and easy to use.