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Abstract. This paper presents a usability evaluation of a mobile gaming application (mAbES) for blind users. mAbES was evaluated with the participation of HCI specialists and experts in video gaming (Group 1) and mAbES end-users who are blind (Group 2). The instruments used by Group 1 were the audio feedback questionnaire and the usability evaluation questionnaire. It also included questions based on video games and game mechanics. For Group 2, both the audio evaluation and the O&M, tactile feedback and ease of use questionnaires were applied. Semi-structured interviews were also carried out. User perceptions and interaction behaviors identified during study and data analysis allowed to refine the methodology used for evaluating the usability of mAbES and proposed suggestions for improvements in the use of this application, as well as to make recommendations for developing video games for blind users for navigation purposes.

Recent work indicates that many programming environments and languages are difficult for people who are visually impaired to use, which may contribute to excluding them from a professional career in computing. This work aims to create and evaluate the use of a programming language called GoDonnie for students who are visually impaired. We developed a programming language that students use to simulate a robot's behavior. We also introduce two usability studies that were conducted with end-users. The initial results indicate that our programming language is easy to learn by beginners and experienced programmers alike. In addition, users report high levels of enjoyment when programming in GoDonnie.