You are downloading the White Castle XAP file v18.104.22.168 for Windows Phone. White Castle is a free and useful Lifestyle app: Online Ordering now available at White Castle! One-of-a-kind Sliders are just a few keystrokes ... You can now download the offline XAP file to install & try it.
Download Locations for White Castle 22.214.171.124 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline White Castle XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.