Information Technology (IT) is a promising and quickly developing scientific and practical fileld. One of its traits is its ability to provide big numbers of people with everyday access.to information and tools.

In modern psychiatry, we are talking not only about the treatment of signs of the disease, but also the highest quality restoration of a person in his social environment with a high level of functioning.

To evaluate the level of players’ emotional well-being in connection with other variables it is necessary at first to determine whether it is possible to use the set of questionnaire items as a psychodiagnostics method.

Mobile applications provide new opportunities to study different aspects of a person’s mental health. Emotional well-being is one of such aspects. The current study is the first attempt to assess the emotional well-being of mobile game users.