One of the biggest impact of Augmented reality was on the architectural and construction industries. The AR ability to design and construct beyond visualization by virtually walking through the completed model draws inspiration among the researchers the desire to preserve memories behind the war-ravaged buildings that have not been restored, and left as they were after the war in reverence to the Filipino and American soldiers . The software engineering tool , rational unified process , was used as a guide in developing the application with the aid of Android Studio, Unity, Vofuria, Lumion8 and sketch-up as software development tools. The application was tested and evaluated by IT experts and tourists of Corregidor using the SUS evaluation tool. Based on the overall satisfaction, usefulness and ease of used among the tourists of Corregidors is “Excellent” which means that the developed mobile applications is more immersive and engaging that will make tourist journey more exciting at the Corregidor Island. This application can assist tourist in experiencing more interactive, fun and engaging journey in Corregidor. Furthermore, this application can served as a mobile tour guide application made for the tourist of Corregidor Island that shall help them learn more about the history and the significance of Corregidor Island by the use of augmented reality to show the original setup of the ruins. The application will help NCCA cascade the historical information about the island and its significance during the war.