The existence of halal tourism in Lombok is a destination that is sought after by many local and foreign tourists. The Ministry of Tourism (2019) noted that in 2015, Lombok received 2 awards from the World Halal Tourism Award (WHTA) in Abu Dhabi in the categories of World Best Halal Destination and World Best Halal Honeymoon. In the midst of the onslaught of technology, various strategic steps can be used to welcome the halal tourism sector, especially after the Covid-19 pandemic, one of which is utilizing Augmented Reality (AR). The results also showed the effectiveness of AR as a tourism promotion medium with 94% of visitors feeling facilitated, 97% stating AR systems are more communicative, and 95% saying they are interested in visiting tourism after using AR. Lomution is a strategy in improving the halal tourism industry in Lombok through the establishment of a platform that bridges tourists to visit tourist attractions. This research is a Research and Development (R&D) development research that aims to produce products and test product effectiveness. The type of research approach used is observational research and literature study. The stages of development research can be summarized into four stages, the 4D (define, design, development, and dissemination), so as to produce a discovery that will be used as a solution. Lomution, becomes one of the tourism digitalization platforms through the integration of Augmented Reality (AR) that supports the creation of Sustainable Smart Tourism. In its realization, Lomution was developed in a mobile platform because it is more flexible, accessible through various devices and faster to the present. With the development of the Lomution application, it makes it easier for tourists to access and visit halal tourist destinations in Lombok and become an innovation in accordance with the digital era to increase the potential for sustainable halal tourism.