How to setup the sample apk file and the device

I’d like to try this sample.
How can I setup these things below.

Question1. None of device name is on the list of “Device Name” on Configuration of Mobile Recorder.
Question2. How can I setup for “Application File”.

スクリーンショット 2018-08-07 13.32.44.png

First thing I will check is if USB debugging is enabled or not.