Sign Language application for children who have hearing impairments, parents, students and teachers as well as anyone who has not mastered Sign Language. It is hoped that this application can be useful for students, teachers, parents and the general public who want to learn and be able to communicate with children who have hearing impairments wherever they are. The Si Bintang application consists of 5 parts, namely letters and
numbers, hijaiyah letters, sign words, guess words and sentences.