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There are many Emotion Detection Systems which can understand emotion but are only present for monitoring purposes. Emotional Robots currently available predict emotion with low accuracy. Thus there is a requirement for Emotion Detection Robot which can predict emotion of user with high accuracy. The robot should converse with the user based on their emotion. It should be a companion for the user. In this paper we present the development of the E-Bot system, which enables human-robot interaction based on emotion detected from facial recognition. A mobile app is developed to control the robot and guide the chat. The Google Cloud Vision API and Pre-trained Facial Expression Algorithm are explored and the prediction accuracy, sensitivity and specificity of these two approaches are summarised in this paper. Results show that the proposed E-Bot system could be applied to provide affective care for people living alone at home.