The screenshot is from an iPhone, on which uBlock isn't an available option.
sparemonkey
Glazba. It's a music player that allows for playing files in various formats, including FLAC. Song files can be uploaded to the phone through the app via web browser over Wi-Fi, or it can play music files stored on any of several cloud-storage services. Considering that I've ripped my entire 1000+ CD collection to FLAC, and considering that my collection contains a number of albums not available through streaming services, this app has been quite useful.
It's a good story, but it turns out to be a folk etymology. Two good articles discuss this issue: one from the New York Times and one from Computerworld.
It happens to me, as well, on Safari for iPhone, even with the "remember" check box selected. Oddly enough, I have an account on a different Kbin server, and it keeps me logged in.
"Sometimes It Snows in April" by Prince