This. You're eliminating any latency involved with Bluetooth, which is important with something like game streaming. The Razer Kishi has had great reviews as well.
Only deal-breaker for me in no way to get sound without Bluetooth headphones also.
Controller seems like it's going to be out of balance with the phone. If the weight of that controller is anything like their other controllers, the phone is going to be way heavier and pull in your hands in an uncomfortable direction.
They saying 111g