You are downloading the Write Upside Down XAP file v18.104.22.168 for Windows Phone. Write Upside Down is a free and useful Social app: Write a message and it's flipped upside down and backwards. Send it to your friends via text message or email, or copy it to the clipboard to use it ... You can now download the offline XAP file to install & try it.
Download Locations for Write Upside Down 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 Write Upside Down XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.