The RC N3
The phone plugs into the USB-C port on the RC N3. The RC N2 uses the same cable.
The remote controller on the form is RC N3. RC N2 is the other choice. The card shows the one you saved.
The card says what the aircraft needs: an Android phone, the pilot app, and the RC N3 over USB-C. The RC N2 uses the same cable.
On the card, Pair opens three steps: Download the pilot app, Connect the RC N3, and Enter the code. Next and Back move between them. The second step says to plug the phone into the USB-C port on the RC N3.
The app on that phone shows the aircraft, the controller you chose, the camera, and the GPS. You choose a parcel there. The pilot flies.