SpooferXZero steps. Any city.
SpooferX puts a joystick and a map teleport in Pokémon GO, on iPhone or Android. The trainer walks about, you stay still.
Your trainer is at
Pier 39, San Francisco
37.8087° N, 122.4098° W
You are on
The couch
0steps walked
Open the SpooferX unlock
You pick iOS or Android first, then the unlock opens up.