You are downloading the Marine Navigation XAP file v10.0.0.0 for Windows Phone. Marine Navigation is a free Travel App: GPS Marine Charts App offers access to charts covering Pacific & Central Canada waters (derived from CHS data). Only marine GPS app to have route. You can now download the offline XAP package file to install & try it.
Download Locations for Marine Navigation 10.0.0.0 XAP file
Package File
Please Click Here > to retrieve available package files for Marine Navigation.
Please be aware that the Marine Navigation XAP file you are to download is hosted on the Microsoft Store CDN server. You can read more about Marine Navigation or get it on Microsoft Store.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Marine Navigation XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.