So you need the handset to act as the peripheral and the eval board to become the central role device?
You then want to connect to the evaluation board from your PC and open an application that controls the central role application running on the development board?
Is this correct?
Most use cases for Peripherals involve optimizing them for ultra-low power consumption, such as a sensor.
You need the opposite.
I need to think about this one.
I sent you a PM. I think I have an option that may work.