You're Doing It Wrong - I got on a conference call for our latest software release. The new project manager asked the test team to verify a bunch of tickets. A bunch came out fai...
The way it works is that you have one solution with with multiple projects in it. Two of the projects are for Windows Phone and Windows 8.1. The other is a shared project. The shared project name ends with shproj. The shared project is like a library and does not output a package. It also cannot be the startup project in Visual Studio.