It is undeniable that visual aid is the most useful option to capture the objects than any methods by using text, log. With current trends of software development methods, instead of documenting requirements in hundreds of pages or planning projects, developers are using Scrum-board and Mind-map as tools to visualize their plans, project progress, and project requirements. To the given challenges of Exploratory Testing, one of the solutions is to track in detail all of what has been done by testers and visualize them in any form which easies to capture information. By using a case study, this study investigates the role of One2Explore as a visual tool for testing in MeU Company. The findings of this study indicate that using graphs as a method to display test execution and relevant information is an approach that can be beneficial in achieving effective testing.