How to open the Action Glyphs v1.0 demo project with Adobe Flex Builder 3: a) choose "Import -> Flex Project..." from the File menu b) select the "Project folder:" option and press the "Browse..." button to the right c) in the "Browse For Folder" dialog select the demo project folder and press the "OK" button d) if you don't want to create an extra copy of the project in your Flex default location, uncheck the "Use default location" checkbox in the "Import Flex Project" dialog e) press the "Finish" button in the Import Flex Project dialog f) after importing the project, Adobe Flex will display the compiler error "Cannot create HTML wrapper. Right-click here to recreate folder html-template.", right-click and select "Recreate HTML Templates" from the popup menu. Make sure that the required Flash Player version is set to at least 10.0.0 as the project uses the "Vector" class.