Watch only: you can see the project, not control it.
All readings
Through the internet, expect about 0.1 to 0.3 s of delay.
On the computer, open Broadcast's Phone tab. Point this phone's camera at the QR code and tap the link. Or type the code and PIN shown there.
Enter it once; after that this app remembers your project.
Through the internet, expect about 0.1 to 0.3 s of delay.