diff --git a/build.xml b/build.xml
index 6224ca2..46d2ad7 100644
--- a/build.xml
+++ b/build.xml
@@ -100,7 +100,7 @@
 
     <target name="-post-jar">
 <!--
-make .app file for Mac OS X
+make app file for Mac OS X
 -->	        
         <exec dir="${dist.dir}" executable="cp">
             <arg line="-r ../resources/bundle_source/JKaiUI_Custom ."/>
@@ -110,7 +110,20 @@ make .app file for Mac OS X
         <move todir="${dist.dir}/${application.title}.app">
             <fileset dir="${dist.dir}/JKaiUI_Custom"/>
         </move>
-        <delete dir="${dist.dir}/JKaiUI_Custom"/>
+        <!--
+make devel version app file for Mac OS X
+-->	        
+        <exec dir="${dist.dir}" executable="cp">
+            <arg line="-r ../resources/bundle_source/JKaiUI_Custom ."/>
+        </exec>
+        <exec dir="${dist.dir}" executable="cp">
+            <arg line="../resources/Info.plist JKaiUI_Custom/Contents"/>
+        </exec>
+        <copy file="${dist.jar}" tofile="${dist.dir}/jKaiUI_Custom.jar"/>
+        <move file="${dist.dir}/jKaiUI_Custom.jar" todir="${dist.dir}/JKaiUI_Custom/Contents/Resources/Java"/>
+        <move todir="${dist.dir}/${application.title}-devel.app">
+            <fileset dir="${dist.dir}/JKaiUI_Custom"/>
+        </move>
 <!--
 make dmg file for Mac OS X
 -->
diff --git a/resources/Info.plist b/resources/Info.plist
new file mode 100644
index 0000000..43dc06b
--- /dev/null
+++ b/resources/Info.plist
@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleName</key>
+	<string>JKaiUI_Custom</string>
+	<key>CFBundleIdentifier</key>
+	<string>pt.jkaiui.JKaiUI</string>
+	<key>CFBundleAllowMixedLocalizations</key>
+	<string>true</string>
+	<key>CFBundleExecutable</key>
+	<string>JavaApplicationStub</string>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleIconFile</key>
+	<string>JKaiUI.icns</string>
+	<key>Java</key>
+	<dict>
+		<key>MainClass</key>
+		<string>pt.jkaiui.JKaiUI</string>
+		<key>JVMVersion</key>
+		<string>1.5+</string>
+		<key>ClassPath</key>
+		<string>$JAVAROOT/jKaiUI_Custom.jar</string>
+		<key>Arguments</key>
+		<string>devel</string>
+		<key>Properties</key>
+		<dict>
+			<key>apple.laf.useScreenMenuBar</key>
+			<string>true</string>
+		</dict>
+	</dict>
+</dict>
+</plist>