Currently, JoiPlay does not have a functional Unity plugin and cannot run games made with the Unity engine. While JoiPlay is a powerful tool for playing PC-based fan games on Android, it is strictly limited to specific engines through its dedicated plugin system. Supported Engines in JoiPlay
1. "Unity Plugin is not installed" or Black Screen on Launch
The community has tested hundreds of Unity games. Here is a quick reference to set realistic expectations.
To run various types of games, JoiPlay relies on modular, purpose-built plugins. Officially Supported JoiPlay Plugins
At least 5GB to 10GB of free internal storage. Avoid using external SD cards for game directories, as Android's security policies can restrict plugin access. 2. Where to Download the Right Files
To understand why a "Unity plugin" cannot simply be installed, it helps to understand how JoiPlay functions under the hood.