Designing educational game android to improve mathematical understanding ability on fraction

In the modern era, a lot of smartphones that have been created to make it easier for the people in their daily activities. The more people using the smartphone, provide the opportunity to this technology can be used to support action in the education sector one of these games education. Game education specially designed to give the learning to the users and give them the motivation to play the game to increase the ability of students understanding. The purpose of this research is to produce game education in junior high school students are valid and practical well as to expand the knowledge of students to see after using these of media. Research methods that used in this research are research of development by model ADDIE was (analysis, design, development, implementation, and evaluation). The instrument used is sheets interview to know student learning difficulties, validation sheets, sheets practically, question test (pretest and posttest). According to the discussions of students said that it takes the media in learning that students not bored in learning. Results of this educational game data analysis are valid, practical and can improve the ability of student's mathematical understanding related to fraction material with sufficient improvement interpretation.