Boso Walikan is a slang language that is popular among the people of Malang city. This local language has been around for a long time and continues to develop, but over time it is rarely used in everyday life. This local language is now found/used when hanging out or gathering together with family or friends who are both from Malang.The Boso Walikan application combines the richness of local culture with Indonesian Sign Language (BISINDO). This application is specially designed for the deaf and speech impaired, this application not only provides easy communication in Boso Walikan, but also provides Indonesian Sign Language visualizations to enrich their communication experience.The Boso Walikan application with BISINDO Visualization aims to eliminate communication barriers for speech-deaf people, providing them with comprehensive and inclusive tools to interact with their surrounding environment. By aligning Boso Walikan and BISINDO, this application encourages users to experience the beauty and cultural diversity of the city of Malang while strengthening their communication skills.