New technologies of information and communication (NTIC) enable us to introduce new teaching methodologies by making possible the educational goals. Learning tools for personal computer, such as Moodle, wiki, etc, where there is an interrelationship among teacher-subject-student are usual nowadays. These virtual environments promote the students take responsibility for their own work under the guidance of the teacher or independently of this one. Nowadays, tablets and mobile devices have a great social importance and they invite to develop new teaching methodologies. A new methodology for teaching probability is shown in this work through the development of guided exercises for a tablet. APPES PROB is an application for android that enables to learn the theoretical and practical aspects of probability. APPES PROB allows people with Special Educational Needs (SEN) the learning of probability, through tools such as audio, subtitled videos, and the own-supplied mobile devices.