Download
Tap “Download for Android”. The file (an .apk) goes to your Downloads.
Open the file
Open it from the download notification or the Files app.
Allow this once
If Android asks, allow your browser or Files app to install apps (“Install unknown apps”), then go back.
Install and sign in
Tap Install, open the app and sign in with your account. The fingerprint lock is optional.
The first version will be offered here soon. Until then, the website works on your phone’s browser too.
Yes, when it comes from a source you trust: this page is the app’s own home. Android asks for your permission once, and you can check the file’s fingerprint above.
Download the newest version from this page and install it: it goes over the old one and you stay signed in.
Not yet. On an iPhone, open this website in Safari - every page works on small screens.