There's an app. https://play.google.com/store/apps/details?id=com.emergetool...
- They mention Google Chrome tabs
- They speak of HN as a single thing, so presumably not a third-party implementation but the official one
That's some third party app. And if you look at the Github it's basically an advertising vector for that companies set of mobile development tools.
- They mention Google Chrome tabs
- They speak of HN as a single thing, so presumably not a third-party implementation but the official one