One command on your dev machine, then log in from your phone. Your machine shows up, from anywhere, over cellular. No network setup, no app to install. (The app below is optional, for push notifications.)
curl -fsSL https://devreins.ai/install.sh | bash
irm https://devreins.ai/install.ps1 | iex
devreins login to link the machine to your account. It gives you a short code to enter at app.devreins.ai/activate.devreins url.)devreins url on the same Wi-Fi.)