ISSUE:
The device names after a BLE Scan depicts a blank list_viewer.
Searching the Thx Discuss I found this reply post from one of the Thx staff.

This is my block setup:

ISSUE:
The device names after a BLE Scan depicts a blank list_viewer.
Searching the Thx Discuss I found this reply post from one of the Thx staff.

This is my block setup:

What if you tried (just for debugging purposes) outputting the Device Names to a label rather than a List Viewer? Do you see any device names?
Additionally, this worked for me installed on an Android device. Are you: