Use APKPure App
Get Remote for Sonos Playbar old version APK for Android
Remote Control for Sonos Playbar, choose your remote control from the list.
This app allows you to control your Sonos Playbar from your phone.
Please be aware that this is not the official Sonos Playbar app, but you are able to directly control it with this Remote Control app.
The app was developed to help you use your Sonos Playbar device even if you can't find your remote control! But please note that the app requires your phone to have an IR sensor.