There already are matrix (matrix math, not The Matrix) accelerators in flagship phones, let alone all the services a phone can call off to. This product was never going to replace a damn thing.
What the hell is a "cell phone replacement"? We repeatedly reengineered phones from voice carried over a telegraph wire, to a screen covered with sensors that fits in your pocket.
Aside from a brain implant, what possible innovation is left other than tweaking with hardware and upgrading silicon?