If children with developmental disorder can be provided with education that is appropriate for individual level and can interact with teachers and peer groups without time and space constraints, it will be possible for them to get help for their normal development. Therefore, this study developed the web application based on N-screen for play activities of the children with developmental disorder. Furthermore, one teacher in the field, one special education professional and one web application developer participated in the development stage from beginning to end together so that the developed web application can be used with appropriate teaching techniques in the field of education.