This study aimed to develop teaching material of academic writing skill using mobile learning. The innovation of this study was the teaching material of academic writing skill in form of application which could be easily installed on smartphones. This study implemented R&D method level 4 which includes 162 students and 7 lecturers. The techniques used in this study to collect data were tests, questionnaires, interviews, and focus group discussions (FGD). To design this teaching material, the researchers needed strategies that were started from the stages of 1) research, 2) designing product, and 3) development. Data was analyzed using Lilliefors technique. This study concluded that in the stage of research, students and lecturers needed mobile learning-assisted academic teaching materials in the form of application. The second stage was designing the product. In this stage, the design of the product was created in a storyboard, which was divided into scenes. Furthermore, design validation was carried out by material and media experts. It needed to revise the design. The third stage was developing. In this stage, the product was created using the Kodular website. Furthermore, it needed to conduct trials and revisions of product. The last step was conducting dissemination.