Unity Plugin For Joiplay -

Wrap all file I/O in a class that checks JoiPlayDetector.IsRunningOnJoiPlay() and uses the alternate path. 3.4 Android Back Button as Escape void Update()

void Update()

A “Unity Plugin for JoiPlay” is not a binary library but a scripting layer that adapts your existing Unity game to JoiPlay’s non-standard environment. By adding detection, input remapping, save redirection, and back-button handling, you can make your PC-targeted Unity game playable on Android via JoiPlay with minimal friction.

void Awake()

JoiPlay is an Android app that acts as a compatibility layer, allowing it to run games made with RPG Maker, Ren'Py, HTML5, and—most relevantly—. However, Unity games do not run "natively" inside JoiPlay like an APK. Instead, JoiPlay uses a separate renderer/patch system.

if (JoiPlayDetector.IsRunningOnJoiPlay()) Debug.Log("Running on JoiPlay — enabling touch adapters"); gameObject.AddComponent<JoiPlayInputAdapter>(); gameObject.AddComponent<JoiPlaySaveRedirect>(); gameObject.AddComponent<JoiPlayBackButton>(); QualitySettings.vSyncCount = 0; // Performance Application.targetFrameRate = 60;

var ray = Camera.main.ScreenPointToRay(screenPos); // Send mouse event (simplified) var evt = new PointerEventData(EventSystem.current); evt.position = screenPos; evt.button = button == 0 ? PointerEventData.InputButton.Left : PointerEventData.InputButton.Right; ExecuteEvents.Execute(evt.pointerPress, evt, ExecuteEvents.pointerClickHandler); Unity Plugin For Joiplay

string joiSavePath = Path.Combine( Application.externalStorageDirectory, "Android/data/com.joiplay.joiplay/files/MyGameSaves" ); if (!Directory.Exists(joiSavePath)) Directory.CreateDirectory(joiSavePath); // Override persistentDataPath (read-only property — use reflection OR change your save logic) // Simpler: replace every Application.persistentDataPath with custom getter. SaveManager.CustomSavePath = joiSavePath;

// JoiPlay sets specific environment variables string joiPlayVar = System.Environment.GetEnvironmentVariable("JOIPLAY_RUNTIME"); if (!string.IsNullOrEmpty(joiPlayVar)) return true;

public static bool IsRunningOnJoiPlay()

using System.IO; using UnityEngine; public class JoiPlaySaveRedirect : MonoBehaviour

// Single tap = left click if (Input.touchCount == 1 && Input.GetTouch(0).phase == TouchPhase.Began) SimulateMouseClick(Input.GetTouch(0).position, 0); // Two-finger tap = right click if (Input.touchCount == 2 && Input.GetTouch(1).phase == TouchPhase.Began) Vector2 center = (Input.GetTouch(0).position + Input.GetTouch(1).position) / 2f; SimulateMouseClick(center, 1);

JoiPlay stores saves in its own folder ( /sdcard/Android/data/com.joiplay.joiplay/files/ ). Redirect Application.persistentDataPath . Wrap all file I/O in a class that checks JoiPlayDetector