diff --git a/src/main/java/javax/microedition/lcdui/Canvas.java b/src/main/java/javax/microedition/lcdui/Canvas.java
index 8422b83..c6cfb10 100644
--- a/src/main/java/javax/microedition/lcdui/Canvas.java
+++ b/src/main/java/javax/microedition/lcdui/Canvas.java
@@ -149,6 +149,10 @@ public static void emitKeyPressed(Canvas canvas, int keyCode) {
         canvas.keyPressed(keyCode);
     }
 
+    public static void emitKeyRepeated(Canvas canvas, int keyCode) {
+        canvas.keyRepeated(keyCode);
+    }
+
     public static void emitKeyReleased(Canvas canvas, int keyCode) {
         canvas.keyReleased(keyCode);
     }
diff --git a/src/main/java/net/sktemu/ams/AppInstance.java b/src/main/java/net/sktemu/ams/AppInstance.java
index e041af7..ced3c69 100644
--- a/src/main/java/net/sktemu/ams/AppInstance.java
+++ b/src/main/java/net/sktemu/ams/AppInstance.java
@@ -124,6 +124,7 @@ public void onShutdown() {
     public abstract boolean shutdown();
 
     public abstract void keyPressed(int keyCode);
+    public abstract void keyRepeated(int keyCode);
     public abstract void keyReleased(int keyCode);
 
     public abstract AmsClassLoader getClassLoader();
diff --git a/src/main/java/net/sktemu/ams/skvm/SkvmAppInstance.java b/src/main/java/net/sktemu/ams/skvm/SkvmAppInstance.java
index 651d825..a3e5cfc 100644
--- a/src/main/java/net/sktemu/ams/skvm/SkvmAppInstance.java
+++ b/src/main/java/net/sktemu/ams/skvm/SkvmAppInstance.java
@@ -144,6 +144,14 @@ public void keyPressed(int keyCode) {
         });
     }
 
+    @Override
+    public void keyRepeated(int keyCode) {
+        runOnAppThread(() -> {
+            Canvas canvas = (Canvas) display.getCurrent();
+            Canvas.emitKeyRepeated(canvas, keyCode);
+        });
+    }
+
     @Override
     public void keyReleased(int keyCode) {
         runOnAppThread(() -> {
diff --git a/src/main/java/net/sktemu/ui/EmuUIFrame.java b/src/main/java/net/sktemu/ui/EmuUIFrame.java
index f25d246..034bee4 100644
--- a/src/main/java/net/sktemu/ui/EmuUIFrame.java
+++ b/src/main/java/net/sktemu/ui/EmuUIFrame.java
@@ -3,18 +3,20 @@
 import net.sktemu.ams.AppInstance;
 import net.sktemu.ams.AppModel;
 
-import javax.microedition.lcdui.Canvas;
 import javax.swing.*;
 import java.awt.event.KeyAdapter;
 import java.awt.event.KeyEvent;
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
+import java.util.HashSet;
 
 public class EmuUIFrame extends JFrame {
     private final EmuCanvas canvas;
 
     private AppInstance appInstance;
 
+    private HashSet<Integer> pressedKeys = new HashSet<Integer>();
+
     public EmuUIFrame(AppModel appModel) {
         setTitle("SKTemu \u2013 " + appModel.getAppTitle());
 
@@ -47,7 +49,12 @@ public void keyPressed(KeyEvent e) {
                 Integer keyCode = KeyMappings.keyMappings.get(e.getKeyCode());
 
                 if (keyCode != null) {
-                    appInstance.keyPressed(keyCode);
+                    if (!pressedKeys.contains(keyCode)) {
+                        pressedKeys.add(keyCode);
+                        appInstance.keyPressed(keyCode);
+                    } else {
+                        appInstance.keyRepeated(keyCode);
+                    }
                 }
             }
 
@@ -56,6 +63,7 @@ public void keyReleased(KeyEvent e) {
                 Integer keyCode = KeyMappings.keyMappings.get(e.getKeyCode());
 
                 if (keyCode != null) {
+                    pressedKeys.remove(keyCode);
                     appInstance.keyReleased(keyCode);
                 }
             }