Smart devices have transformed the areas of social sciences, medical sciences, geology, entertainment, communication, working, learning, shopping and many more eager on speed and scalability with convenient and quick interfaces. People have opportunity to save their time and cost by doing essential tasks anywhere using Smartphone. This adoption raises usability challenges with mobile interfaces. Though experts identify problems/mistakes of interfaces which limit the ease of use from end user?s perspective by following Heuristic This method lacks to identify comprehensively usability related flaws mainly due to mobility, gesture and context awareness of mobile devices. This research proposes an adapted heuristic method with a goal of making mobile interfaces more effective. To achieve this goal this study proposes 12 usability evaluation heuristics after literature review. To validate the suggested solution, an evaluation study is conducted with 50 students. These students are trained enough to perform usability evaluation using heuristics. They used five mobile applications including CNN, Skype, Calendar, Amazon and Gallery. Results are analyzed comprehensively and compared with Joyce findings. Results indicated the usefulness of proposed method. This validated method can be used by designers of mobile application development for better interface development.