The use of android-based learning facilities as teaching materials for students is a solution to facilitate understanding of practicum material in online learning. This study aims to determine the development and feasibility of an Android-based E-module in computer and basic network subjects at SMK 1 Antarctica, Sidoarjo. This type of research is Research and Development (R&D) using the Analysis, Design, Development, Implementation, Evaluation (ADDIE) development model. The feasibility test was carried out by media experts and material experts as well as the results of student responses, the results of the validity of this study obtained a percentage of 94% in the "Very Eligible" category for the media and a percentage of 92% with the "Very Eligible" category for the material, and a percentage of 81% with the category " Very Eligibleā for the students' responses. Based on these results, it can be concluded that Android-based E-modules in basic computer and network subjects are very feasible to be used as alternative learning media. Highlights: Android-based E-modules facilitate understanding of practicum material in online learning. The ADDIE development model is used for the research and development of the Android-based E-module. Feasibility tests conducted with media experts, material experts, and student responses indicate high suitability for alternative learning media. Keywords: Android-based learning facilities, E-module, online learning, research and development, feasibility.