How to open project ?
After downloading the archive, unzip the folder with the project to any directory available to you in the explorer
Next, open UNITY HUB and click the ADD button

How to add your track to the music player ?
Locate the iCharry object in the Hierarchy

Next expand the Canvas object

There you will find and select Spotify

Next, in the inspector, click the Add Clip button

Next, in the newly added window, insert the audio track you need, and do not forget to switch the cover type to Sprite

FAQ
How to activate the synchronization function on the tablet between multiple users ?
You need to select the desired button in the hierarchy (It is mandatory that these buttons must be under the Image button object)
In the inspector window in the component UDON behaviour activate the checkboxes shown in the screenshotSync Control State - Synchronizes variables between clientsOn Change Is Networked - Sends script activation to all clients