Inside the demo folder, you will find a sample scene of a small island two pirates. Move around each pirate to experience how the split system operates. Select the SplitScreenManager gameobject to explore the different options shown in the inspector and learn about its effects. Continue reading this document for more details.
To start using the asset in your scene, just select GameObject -> Split Screen Manager from the Unity top menu. After this, you should see a SplitScreenManager gameobject in your scene, ready to be configured.