Smartphone applications are developed with immense creativity and effort. Mobile users demand a sleeker experience with applications compared to desktop users. The mindset of mobile users is very different from web or desktop users. Smartphone apps are used on the move (e.g.: while walking or using a toilet), and mobile devices have a lot to offer through hardware location tracking, gyroscopes and other integrated features. So, how to tune the tester’s mindset to model test approaches specific to smartphone apps? Smartphone apps focus on speed, size and sleek. How to design tests at the UI level to identify issues beyond the usual functional and non-functional testing? Even if a smartphone app has a sleek UI, users will uninstall the app if it drains their battery, crashes frequently or wastes the user’s data plan. So, how to design mobile tests and what tools to use to uncover issues hidden under mobile UI.