In this paper, in order to improve concentration of learning disorder students, m-ARCS model is proposed. The m-ARCS model is based on the ARCS model that is the existing representative motivation support model. The model is designed on mobile environment, and to provide motivation and concentration to learning disorder students by allowing students to engage in various real-life activities. Based on the proposed m-ARCS model, a mobile anchor program is designed and implemented. The followings are concluded after applying the mobile anchor program to learning disorder students. First, students are highly motivated and concentrated by the program. Second, students gain confidence by feeling of success during their study. Third, their basic study ability is improved via the mobile anchor program activities