diff --git a/src/com/annimon/everlastingsummer/IOUtil.java b/src/com/annimon/everlastingsummer/IOUtil.java
index 49994b7..f7b5c84 100644
--- a/src/com/annimon/everlastingsummer/IOUtil.java
+++ b/src/com/annimon/everlastingsummer/IOUtil.java
@@ -13,6 +13,7 @@ import java.io.OutputStream;
 import java.util.ArrayList;
 import java.util.List;
 import android.content.Context;
+import android.content.res.AssetFileDescriptor;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.os.Environment;
@@ -23,8 +24,12 @@ import android.os.Environment;
  */
 public final class IOUtil {
     
-    private static String SDCARD = Environment.getExternalStorageDirectory().getPath();
-    private static String ES = SDCARD + "/everlastingsummer/";
+    public static boolean useArchive = false;
+    public static String ASSETS = getSdCardPath() + "everlastingsummer/";
+    
+    public static String getSdCardPath() {
+        return Environment.getExternalStorageDirectory().getPath() + "/"; 
+    }
     
     public static Bitmap readBitmap(String file) throws IOException {
         final InputStream is = open(file);
@@ -69,15 +74,20 @@ public final class IOUtil {
         }
     }
     
+    public static AssetFileDescriptor getAFD(String file) throws IOException {
+        return ViewActivity.getInstance().getAssets().openFd(ASSETS + file);
+    }
+    
     private static FileInputStream streamForFD;
     public static FileDescriptor getFD(String file) throws IOException {
         if (streamForFD != null) streamForFD.close();
-        streamForFD = new FileInputStream(ES + file);
+        streamForFD = new FileInputStream(ASSETS + file);
         return streamForFD.getFD();
     }
     
     public static InputStream open(String file) throws IOException {
-        return new FileInputStream(ES + file);
+        if (useArchive) return ViewActivity.getInstance().getAssets().open(ASSETS + file);
+        return new FileInputStream(ASSETS + file);
     }
 
     public static String readContents(InputStream is) throws IOException {
diff --git a/src/com/annimon/everlastingsummer/ViewActivity.java b/src/com/annimon/everlastingsummer/ViewActivity.java
index bb3c120..e69e6cf 100644
--- a/src/com/annimon/everlastingsummer/ViewActivity.java
+++ b/src/com/annimon/everlastingsummer/ViewActivity.java
@@ -1,5 +1,6 @@
 package com.annimon.everlastingsummer;
 
+import java.io.FileDescriptor;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.HashMap;
@@ -14,6 +15,7 @@ import android.content.ContentResolver;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.res.AssetFileDescriptor;
 import android.media.MediaPlayer;
 import android.net.Uri;
 import android.os.Bundle;
@@ -528,7 +530,12 @@ public final class ViewActivity extends Activity implements TouchGesture.OnTouch
             stopMusic(fade);
             musicPlayer = new MediaPlayer();
             musicPlayer.setOnCompletionListener(musicCompleteListener);
-            musicPlayer.setDataSource( IOUtil.getFD(PathResolver.music(name)) );
+            if (IOUtil.useArchive) {
+                final AssetFileDescriptor afd = IOUtil.getAFD(PathResolver.music(name));
+                musicPlayer.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength());
+            } else {
+                musicPlayer.setDataSource( IOUtil.getFD(PathResolver.music(name)) );
+            }
             musicPlayer.prepare();
             musicPlayer.setVolume(1f, 1f);
             musicPlayer.setLooping(true);
@@ -552,7 +559,12 @@ public final class ViewActivity extends Activity implements TouchGesture.OnTouch
             stopSound(fade);
             soundPlayer = new MediaPlayer();
             soundPlayer.setOnCompletionListener(soundCompleteListener);
-            soundPlayer.setDataSource( IOUtil.getFD(PathResolver.sound(name)) );
+            if (IOUtil.useArchive) {
+                final AssetFileDescriptor afd = IOUtil.getAFD(PathResolver.sound(name));
+                soundPlayer.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength());
+            } else {
+                soundPlayer.setDataSource( IOUtil.getFD(PathResolver.sound(name)) );
+            }
             soundPlayer.prepare();
             soundPlayer.setVolume(1f, 1f);
             soundPlayer.setLooping(loop);