File list (Check if you may need any files):
FaceBook\FaceBook.sln
........\FaceBook.suo
........\FaceBook
........\........\App.xaml
........\........\App.xaml.cs
........\........\ApplicationIcon.png
........\........\Background.png
........\........\Bin
........\........\...\Debug
........\........\...\.....\ApplicationIcon.png
........\........\...\.....\AppManifest.xaml
........\........\...\.....\Background.png
........\........\...\.....\FaceBook.dll
........\........\...\.....\FaceBook.pdb
........\........\...\.....\FaceBook.xap
........\........\...\.....\Twitter.dll
........\........\...\.....\Twitter.pdb
........\........\FaceBook.csproj
........\........\FaceBook.csproj.user
........\........\MainPage.xaml
........\........\MainPage.xaml.cs
........\........\obj
........\........\...\Debug
........\........\...\.....\App.g.cs
........\........\...\.....\App.g.i.cs
........\........\...\.....\DesignTimeResolveAssemblyReferences.cache
........\........\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
........\........\...\.....\FaceBook.csproj.FileListAbsolute.txt
........\........\...\.....\FaceBook.dll
........\........\...\.....\FaceBook.g.resources
........\........\...\.....\FaceBook.pdb
........\........\...\.....\MainPage.g.cs
........\........\...\.....\MainPage.g.i.cs
........\........\...\.....\ResolveAssemblyReference.cache
........\........\...\.....\TempPE
........\........\...\.....\XapCacheFile.xml
........\........\Properties
........\........\..........\AppManifest.xml
........\........\..........\AssemblyInfo.cs
........\........\..........\WMAppManifest.xml
........\........\SplashScreenImage.jpg