This is a python script which will let your raspberry pi be a TCP server to accept connections from the Monopice Whole Home Audio Android App by TheKMZ1 in the google play store. You will need a USB to Serial Cable plugged into your Pi/amp
Why do you think that https://github.com/agaripian/homeaudiovue is a good alternative to Monoprice-Whole-Home-Audio-Android-App-Raspberry-Pi-Server