There was already a guy who made a website for this, but I wanted to do it in mobile to practice WebRTC(technology behind the audio chat) and have some fun.
I haven't spent too much time in terms of the general functionality as a HN client but can upgrade it if there are enough users enjoying the app.
You can download the apps via the links below;
IOS: https://apps.apple.com/tr/app/betternews-coffee-chat/id65047...
Android:
As you might have known, Android requires the app to be tested in a closed beta with at least 20 people So you can follow these steps to be a part of it and download;
1 - join the group https://groups.google.com/g/betternews
2 - download the app and enjoy
https://play.google.com/store/apps/details?id=com.apps.bette... or https://play.google.com/apps/testing/com.apps.betternews
Feel free to contact me if you have any questions; http://www.x.com/canergly