I write for PSoC BLE demo project.
Launches android smartphone CySmart.
I getting data from the PSoC on a smartphone.
I compile Qt demo program "Bluetooth Low Energy scanner example".
Writing on her phone.
This program NOT sees PSoC.
Can you attach the project which you are referring? If the PSoC 4 BLE is configured as a peripheral, then it will adverrtise and you can see the PSoC 4 device in the Phone which acts as a central (scanner).