Arduino Nano 33 BLE Sense Microphone does not appear in the list of external sensors

[rishi-a]

Description
The Arduino Science Journal Android application can retrieve data from the Arduino Nano 33 BLE Sense via BLE. The application does not list Nano Sense's microphone in the list of external sensors. All other sensors are available in the list (i.e. gesture, proximity, light color, light intensity, IMU, barometer)

To Reproduce
Steps to reproduce the behavior (Windows 10 Home, Version 21H1):

1. Connect the Arduino Nano 33 BLE sense to the computer.
2. Fire up the Arduino IDE (Version 1.8.15). Go to File->Examples->Arduino_ScienceJournal->Nano33BLESenseFirmware. Follow the instructions from Arduino Science Journal website to ensure you have to correct board platform and necessary libraries installed.
3. Once the Nano33BLESenseFirmware is uploaded onto the device, go to the Arduino Science Journal application. Under a new experiment, tap Sensors and then the gear button as explained in this video.
4. Now, observe that in the list of external sensors (Sensors of Nano Sense board), the microphone is missing. Which means that a user can't retrieve sound data from the microcontroller via the application.

Expected behavior
Arduino Nano 33 BLE sense's microphone data cannot be retrieved from the Arduino science journal application.

Desktop:

• OS: Windows 10 Home, Version 21H1
• Browser: Firefox
• Arduino IDE Version: 1.8.15
• Board Platform: Arduino MBed OS, Version 1.3.2

Smartphone:

• Device: Samsung Galaxy M20
• OS: Android Version 10
• Browser: Firefox 89.1.1