You are downloading the MoonPhase AppX file v188.8.131.52 for Windows Phone. MoonPhase is a free and useful Education app: MoonPhase is a handy tool for astronomers wishing to know the current phase of the moon; it will also tell you the rise and set times dependent on ... You can now download the offline AppX file to install & try it.
Download Locations for MoonPhase 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 MoonPhase AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.