Visual Studio includes a set of testing and debugging tools that can help you ensure that your Windows Store app is of the highest quality.
Running Windows Store apps from Visual Studio shows you how to run your app on a local machine, in the Windows Store app simulator, or on a remote device.
Debugging Windows Store apps introduces the Visual Studio debugger that can help you find and fix bugs in your code.
Analyzing the code quality of Windows Store apps with Visual Studio code analysis shows you how to find some common problems that are difficult to detect in debugging and testing.
Creating and running unit tests on a Windows Store app
Profiling the performance of a Windows Store apps
Analyzing memory usage and finding memory leaks in Windows Store apps.
Analyze the power and energy consumption of Windows Store apps on low-power tablet devices that run all or part of the time on their own batteries.
For more information about debugging, see Debugging in Visual Studio in the MSDN Library.