Unity+plugin+for+joiplay+work

A: Install the new .apk file via Joiplay’s “Manage Plugins” → “Update.” Save files remain unaffected.

Short verdict

Inside that folder, the must be present along with all Data folder and UnityPlayer.dll etc. unity+plugin+for+joiplay+work

using System.Runtime.InteropServices; using UnityEngine; A: Install the new

Here is the proper guide.