A controller that wants to be wherever you're gaming? The Backbone Pro sets out on that path and covers a fair bit of ground -- for a nontrivial $170 price tag (thank you, tariffs). I tested the iPhone version of the app;

Since arriving in 2020, the Backbone One has helped popularize dedicated mobile game controllers, the kind you might use for streaming services like Xbox Cloud Gaming and NVIDIA GeForce Now, remote play apps,

There has to be something exemplary about a “Pro” device, especially to justify the $170 price compared to the $100 you pay for the Backbone One. If you judge it merely by its on-paper feature set, there’s not so much that stands out.