Jay Qiu designed Jay's Feeling which is specially designed for elderly people and has a unique feature that classifies voice by its sentiment, including "neutral", "calm", "happy", "sad", "angry", "fearful", "disgust", and "surprised". With its user-friendly interface, the app helps seniors stay connected with their loved ones and understand their emotions better. It allows users to record and classify their voice messages, making it easier for them to communicate their feelings and emotional state to their family and friends. Overall, the app is designed to empower the elderly, enhance their emotional well-being, and promote a sense of connection and community.