The app issues a key and asks for nothing else. Paste one, scan one, or take a new one.
Every node with its latency. The one you are on carries the point and shows what is moving.
Down, up, and the shape of the last minute. The session and the all-time totals underneath.
A plain log of the connection, kept on the device. Send it to us if something is wrong; clear it whenever.
Preferred node, multihop, split tunnel, your own DNS, connect on boot, and the key itself.