Safari + Tailscale Connected. This is the Home Screen version.
Open this page in Safari on the phone. Share → Add to Home Screen. Name it Key Ahead. Then tap the icon, not the Safari tab.
http://aagroklaunchpad-minii.tailb930aa.ts.net:8765/key-ahead
Backup: http://100.127.206.7:8765/key-ahead
Install coach: http://aagroklaunchpad-minii.tailb930aa.ts.net:8765/key-ahead/iphone
Unlock once. Tailscale = Connected. Tap the Key Ahead icon.