diff --git a/Android.mk b/Android.mk
index 6059a3f..840b161 100644
--- a/Android.mk
+++ b/Android.mk
@@ -61,6 +61,28 @@
 LOCAL_PROTOC_FLAGS := --proto_path=$(LOCAL_PATH)/protos/
 
 LOCAL_MODULE_TAGS := optional
-LOCAL_MODULE := protoutil
+LOCAL_MODULE := launcher_protoutil_lib
+LOCAL_IS_HOST_MODULE := true
+LOCAL_JAR_MANIFEST := util/etc/manifest.txt
+LOCAL_STATIC_JAVA_LIBRARIES := host-libprotobuf-java-2.3.0-nano
 
 include $(BUILD_HOST_JAVA_LIBRARY)
+
+#
+# Protocol Buffer Debug Utility Wrapper Script
+#
+include $(CLEAR_VARS)
+LOCAL_IS_HOST_MODULE := true
+LOCAL_MODULE_CLASS := EXECUTABLES
+LOCAL_MODULE_TAGS := optional
+LOCAL_MODULE := launcher_protoutil
+
+include $(BUILD_SYSTEM)/base_rules.mk
+
+$(LOCAL_BUILT_MODULE): launcher_protoutil_lib
+$(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/util/etc/launcher_protoutil | $(ACP)
+	@echo "Copy: $(PRIVATE_MODULE) ($@)"
+	$(copy-file-to-new-target)
+	$(hide) chmod 755 $@
+
+INTERNAL_DALVIK_MODULES += $(LOCAL_INSTALLED_MODULE)
diff --git a/util/com/android/launcher3/DecoderRing.java b/util/com/android/launcher3/DecoderRing.java
index 1d9e0de..bd0275e 100644
--- a/util/com/android/launcher3/DecoderRing.java
+++ b/util/com/android/launcher3/DecoderRing.java
@@ -49,7 +49,7 @@
     public static void main(String[ ] args)
             throws Exception {
         File source = null;
-        Class type = Key.class;
+        Class type = null;
         int skip = 0;
 
         for (int i = 0; i < args.length; i++) {
@@ -79,6 +79,9 @@
             }
         }
 
+        if (type == null) {
+            usage(args);
+        }
 
         // read in the bytes
         ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
diff --git a/util/etc/launcher_protoutil b/util/etc/launcher_protoutil
new file mode 100644
index 0000000..833b583
--- /dev/null
+++ b/util/etc/launcher_protoutil
@@ -0,0 +1,83 @@
+#!/bin/bash
+#
+# Copyright (C) 2013 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Set up prog to be the path of this script, including following symlinks,
+# and set up progdir to be the fully-qualified pathname of its directory.
+prog="$0"
+while [ -h "${prog}" ]; do
+    newProg=`/bin/ls -ld "${prog}"`
+    newProg=`expr "${newProg}" : ".* -> \(.*\)$"`
+    if expr "x${newProg}" : 'x/' >/dev/null; then
+        prog="${newProg}"
+    else
+        progdir=`dirname "${prog}"`
+        prog="${progdir}/${newProg}"
+    fi
+done
+oldwd=`pwd`
+progdir=`dirname "${prog}"`
+cd "${progdir}"
+progdir=`pwd`
+prog="${progdir}"/`basename "${prog}"`
+cd "${oldwd}"
+
+jarfile=launcher_protoutil_lib.jar
+libdir="$progdir"
+
+if [ ! -r "$libdir/$jarfile" ]; then
+    # set jar location for the Android tree case
+    libdir=`dirname "$progdir"`/framework
+fi
+
+if [ ! -r "$libdir/$jarfile" ]; then
+    echo `basename "$prog"`": can't find $jarfile"
+    exit 1
+fi
+
+# By default, give decoder a max heap size of 1 gig. This can be overridden
+# by using a "-J" option (see below).
+defaultMx="-Xmx1024M"
+
+# The following will extract any initial parameters of the form
+# "-J<stuff>" from the command line and pass them to the Java
+# invocation (instead of to the decoder). This makes it possible for
+# you to add a command-line parameter such as "-JXmx256M" in your
+# scripts, for example. "java" (with no args) and "java -X" give a
+# summary of available options.
+
+javaOpts=""
+
+while expr "x$1" : 'x-J' >/dev/null; do
+    opt=`expr "x$1" : 'x-J\(.*\)'`
+    javaOpts="${javaOpts} -${opt}"
+    if expr "x${opt}" : "xXmx[0-9]" >/dev/null; then
+        defaultMx="no"
+    fi
+    shift
+done
+
+if [ "${defaultMx}" != "no" ]; then
+    javaOpts="${javaOpts} ${defaultMx}"
+fi
+
+if [ "$OSTYPE" = "cygwin" ]; then
+    # For Cygwin, convert the jarfile path into native Windows style.
+    jarpath=`cygpath -w "$libdir/$jarfile"`
+else
+    jarpath="$libdir/$jarfile"
+fi
+
+exec java $javaOpts -jar "$jarpath" "$@"
diff --git a/util/etc/manifest.txt b/util/etc/manifest.txt
new file mode 100644
index 0000000..84842ed
--- /dev/null
+++ b/util/etc/manifest.txt
@@ -0,0 +1 @@
+Main-Class: com.android.launcher3.DecoderRing