Retinder Kaur is an enthusiastic educator, graphic designer, animator and expert in Punjabi Sign Language. With a Ph.D. in Punjabi Sign Language, she has dedicated her career to helping people with hearing loss by creating a unique sign language specifically for Punjabi. Through this app, users can learn Punjabi Sign Language on their own. Retinder has also developed easy-to-understand videos to demonstrate these signs. The app includes quizzes after each topic, allowing learners to test their own progress. This app is a great tool for self-study, where users can monitor their learning journey. As a college teacher, Retinder believes in using education to make a positive impact, and her work is improving the lives of many people in the Punjabi-speaking community.