The AI-powered app called MindMateGPT offers personalized mental health support, expert advice, and coping strategies. Users can receive tailored advice by answering a series of questions and communicate with a virtual therapist named TherapistGPT. The key features of the app include personalized mental health support, chatbot interaction with TherapistGPT, user data privacy (retained only for the session and deleted afterward), anonymity and privacy (user data not stored), and a disclaimer stating that the developers are not affiliated with OpenAI or ChatGPT and are not responsible for the advice given by the virtual therapist. Use cases for MindMateGPT include personalized mental health support, guidance and coping strategies, and seeking advice and support from a virtual therapist. MindMateGPT offers an innovative approach to mental health support by utilizing AI technology to provide personalized assistance and guidance.