Just downloaded the Android beta. When I tried to log in with artemis.camp, it took me to Firefox, where I logged in and pressed authorise, and then I went back to Artemis and it said waiting for browser. Now when I press the artemis.camp button again it brings me to a white screen in Firefox, and still says waiting for browser.
I’ve also tried it with chrome but same issue
I followed the instructions of other people in the comments and deleted the app and reinstalled it, and that worked. For some reason clearing storage and cache didn’t work, I had to actually delete it.