Incredible App!! You must just pat The Cat. That's all! The Cat nice purrs and vibrates... You will get totally hooked on it. At the end of a pleasant surprise... -= How to use =- - Just pat The Cat. - Enjoy the vibrations and purring. -= Features =- - Live imitation of purring cat. - Universal love and happiness from vibrating cat. - Sync with sound vibration. - Increase the volume during prolonged stroking. - Reduce the volume in the absence of strokes. - Funny cat animation.