Smart devices such as smart phones and tablets have become part and parcel of our lives in recent years. The effects of these new smart devices can been seen everywhere. Students, especially, use these devices in their daily learning process and the application of these tools will be more and more important in the following years. Therefore, it's very important to keep students' attention continuous with the assist of these smart devices. Smart devices help students to study anytime in anywhere, so students learn whenever they want without any limitations. These roles also help students to keep in touch with their teachers. It will also help them to be integrated in social life more easily. This study is about developing a complete software tool to be used in the education of students who need special education. The software is designed for smart devices such as smart phones and tablets. Students who are mentally handicapped may get benefit of using this software for a completelearning session or as a supporting tool. The software is developed on Android platform. In the current version, the concepts of "less" and "more" are considered. The target students are Turkish students who need special education.