In principle, you should be able to trivially turn this into a WinRT app. This way you could write to temp file storage for your app and render out of that. You

In principle, you should be able to trivially turn this into a WinRT app. This way you could write to temp file storage for your app and render out of that. You could keep the codebase isolated for the cross-platform browser bits and have WinRT integration code as a separate project.