Systems and methods are disclosed providing user emotion information to a customer service provider. For example, a method may include: transmitting, to a user device over a communication network, application data enabling the user device to perform a functionality usable by a user of the user device, the user device including a camera; receiving, from the user device over the communication network, user feedback data indicative of a characteristic of image data of the user obtained by the camera during usage of the functionality by the user; inputting the value of the facial expression parameter into a machine learning model to determine an assessment of an emotional state of the user during the usage of the functionality; and providing the assessment to the customer service provider.