Nowadays, it is not difficult to see people using smartphone around you no matter you are in bus, coffee shop and street. It is no doubt that Mobile App is the key factor behind for this scenario. Although Mobile App is very common and important to us, you may encounter some unpleasant experiences. e.g. App forced close suddenly, cannot launch, slow or even no response. App developers never want to see bad word-of-mouth or low rating for their apps because it is highly affect the company reputation. Hence, independent Mobile App Testing is now becoming more and more important. The third party of the testing team can provide fresh objective view and an unbiased on the app, and find problem that the developers might overlook, but that a user would find. It is true that no one can promise 100% bug-free guarantee but at least it help to minimize the risk.