diff --git a/app/src/main/java/com/example/sprout/Sprout.java b/app/src/main/java/com/example/sprout/Sprout.java
index 5aa7c10..48089d4 100644
--- a/app/src/main/java/com/example/sprout/Sprout.java
+++ b/app/src/main/java/com/example/sprout/Sprout.java
@@ -25,8 +25,25 @@
 import framework.model3D.Universe;
 import java3d.Vector3d;
 
+/**
+ * Sprout APplication class
+ *
+ * @author matsumoto_k
+ */
 public class Sprout extends Application {
 
+    private static Sprout instance = null;
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        instance = this;
+    }
+
+    public static Sprout get() {
+        return instance;
+    }
+
     private RoomsConnection roomsConnection = null;
     private BattlesConnection battlesConnection = null;
     private AccountsConnection accountsConnection = null;