The Assets folder contains the graphic assets of the application. The standard project includes some default icons and images for the various Tile sizes and templates.
The Resources folder contains all the files needed to manage localization. By default, you’ll find just one file called AppResources.resx, which contains the base language (usually English, but you can select another). Every other language will be supported by adding a new AppResources file. The LocalizedStrings.cs file is added by default in the project’s root, and it is the class that we will use to manage localization.