In my opinion, this would work if the mobile is paired with the receiver via Bluetooth... (https://ch.yamaha.com/de...)
quote: Bluetooth® compatible for wireless music streaming - The R-S202D is equipped with Bluetooth - so you can easily play music wirelessly from your smartphone and other devices. Select tracks directly from your smartphone and play them through your complete audio system.

Yes, this is possible via Bluetooth.

Nope