To use Separate App Sound on a Samsung Galaxy phone, go to Settings > Sounds and Vibration > Separate App Sound, toggle it on, choose the app (e.g., Spotify), and select the audio device (e.g., ...
Realtek Audio Console or Control might look universal but is exclusive to your system. If you have a DCH Driver, Microsoft Store will be able to find the Realtek Audio Console for you; if not, you ...