You are downloading the Trolling Speed XAP file v1.0.1.0 for Windows Phone. Trolling Speed is a free Sports App: When trolling for fish moving at the right speed can be critical. Most GPS units, however, have issues determining the current speed. This application. You can now download the offline XAP package file to install & try it.
Download Locations for Trolling Speed 1.0.1.0 XAP file
Package File
Please Click Here > to retrieve available package files for Trolling Speed.
Please be aware that the Trolling Speed XAP file you are to download is hosted on the Microsoft Store CDN server. You can read more about Trolling Speed 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 Trolling Speed XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.