Surprise, GoPro no longer supports the Windows Phone
Windows Mobile is bleeding for years. Not only Microsoft itself forgot the Windows Mobile, but also the developer. Besides of not introducing new apps to the platform, most of the companies are pulling their apps from the Windows Mobile. In the past, we have seen Spotify to stop supporting its app on WM, and now GoPro did the same thing.
In December, GoPro promised to support Windows 10 Mobile, and now they just stopped to support the Windows Phone. I am actually feeling sorry for the Windows Phone users.