You are downloading the Galactic Trade Helper AppX file v188.8.131.52 for Windows Phone. Galactic Trade Helper is a free and useful Productivity app: A set of calculators for the Galactic Trade Network on Star Wars: The Old ... You can now download the offline AppX file to install & try it.
Download Locations for Galactic Trade Helper 184.108.40.206 AppX file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline AppX File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Galactic Trade Helper AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.