diff --git a/add-proguard-release.xml b/add-proguard-release.xml
new file mode 100644
index 00000000..aaf2ffb8
--- /dev/null
+++ b/add-proguard-release.xml
@@ -0,0 +1,46 @@
+<!-- Proguard Properties -->
+<property name="obfuscate.dir" value="obf" />
+<property name="obfuscate.absolute.dir" location="${obfuscate.dir}" />
+<property name="android-jar-preobfuscate" value="${obfuscate.absolute.dir}/original.jar" />
+<property name="android-jar-postobfuscate" value="${obfuscate.absolute.dir}/postobf.jar" />
+<property name="out.dex.input.absolute.dir" value="${android-jar-postobfuscate}" />
+
+<!-- replaces the post-compile step from ant_rules_r3 -->
+<target name="-post-compile" depends="-dex-obfuscate,-dex-no-obfuscate">
+</target>
+
+<target name="-dex-no-obfuscate" unless="build.mode.release">
+  <mkdir dir="${obfuscate.absolute.dir}" />
+  <jar basedir="${out.dir}/classes" destfile="${android-jar-postobfuscate}" />
+</target>
+
+<!-- Converts this project's .class files into .dex files -->
+<target name="-dex-obfuscate" if="build.mode.release">
+  <property name="proguard-jar" value="${proguard.dir}/proguard.jar" />
+  <property name="proguard-conf.dir" value="" />
+  <property name="proguard-conf.absolute.dir" location="${proguard-conf.dir}" />
+  <property name="proguard-conf" value="${proguard-conf.absolute.dir}/procfg.txt" />
+  <path id="fullclasspath">
+    <path refid="android.target.classpath"/>
+    <pathelement path="${external.libs.dir}"/>
+  </path>
+  <property name="libraryjarpath" refid="fullclasspath"/> 
+  <!-- Add Proguard Task -->
+  <taskdef resource="proguard/ant/task.properties" classpath="${proguard-jar}" />
+
+  <mkdir dir="${obfuscate.absolute.dir}" />
+  <delete file="${android-jar-preobfuscate}"/>
+  <delete file="${android-jar-postobfuscate}"/>
+  <jar basedir="${out.classes.dir}" destfile="${android-jar-preobfuscate}" />
+  <proguard>
+    @${proguard-conf}
+    -injars ${android-jar-preobfuscate}
+    -outjars ${android-jar-postobfuscate}
+    -libraryjars ${libraryjarpath}
+    -dump ${obfuscate.absolute.dir}/dump.txt
+    -printseeds ${obfuscate.absolute.dir}/seeds.txt
+    -printusage ${obfuscate.absolute.dir}/usage.txt
+    -printmapping ${obfuscate.absolute.dir}/mapping.txt
+  </proguard>
+</target>
+
diff --git a/build.xml b/build.xml
new file mode 100644
index 00000000..27a1ea40
--- /dev/null
+++ b/build.xml
@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE project [
+       <!ENTITY add-proguard-release SYSTEM "add-proguard-release.xml">
+]>
+<project name="Orbot" default="help">
+    <!-- The local.properties file is created and updated by the 'android' tool.
+         It contains the path to the SDK. It should *NOT* be checked into
+         Version Control Systems. -->
+    <loadproperties srcFile="local.properties" />
+
+    <!-- The ant.properties file can be created by you. It is only edited by the
+         'android' tool to add properties to it.
+         This is the place to change some Ant specific build properties.
+         Here are some properties you may want to change/update:
+
+         source.dir
+             The name of the source directory. Default is 'src'.
+         out.dir
+             The name of the output directory. Default is 'bin'.
+
+         For other overridable properties, look at the beginning of the rules
+         files in the SDK, at tools/ant/build.xml
+
+         Properties related to the SDK location or the project target should
+         be updated using the 'android' tool with the 'update' action.
+
+         This file is an integral part of the build system for your
+         application and should be checked into Version Control Systems.
+
+         -->
+    <property file="ant.properties" />
+
+    <!-- The project.properties file is created and updated by the 'android'
+         tool, as well as ADT.
+
+         This contains project specific properties such as project target, and library
+         dependencies. Lower level build properties are stored in ant.properties
+         (or in .classpath for Eclipse projects).
+
+         This file is an integral part of the build system for your
+         application and should be checked into Version Control Systems. -->
+    <loadproperties srcFile="project.properties" />
+
+    <!-- quick check on sdk.dir -->
+    <fail
+            message="sdk.dir is missing. Make sure to generate local.properties using 'android update project'"
+            unless="sdk.dir"
+    />
+
+
+<!-- extension targets. Uncomment the ones where you want to do custom work
+     in between standard targets -->
+<!--
+    <target name="-pre-build">
+    </target>
+    <target name="-pre-compile">
+    </target>
+
+    /* This is typically used for code obfuscation.
+       Compiled code location: ${out.classes.absolute.dir}
+       If this is not done in place, override ${out.dex.input.absolute.dir} */
+    <target name="-post-compile">
+    </target>
+-->
+
+    <!-- Import the actual build file.
+
+         To customize existing targets, there are two options:
+         - Customize only one target:
+             - copy/paste the target into this file, *before* the
+               <import> task.
+             - customize it to your needs.
+         - Customize the whole content of build.xml
+             - copy/paste the content of the rules files (minus the top node)
+               into this file, replacing the <import> task.
+             - customize to your needs.
+
+         ***********************
+         ****** IMPORTANT ******
+         ***********************
+         In all cases you must update the value of version-tag below to read 'custom' instead of an integer,
+         in order to avoid having your file be overridden by tools such as "android update project"
+    -->
+    <!-- version-tag: 1 -->
+    <import file="${sdk.dir}/tools/ant/build.xml" />
+
+&add-proguard-release;
+</project>
diff --git a/procfg.txt b/procfg.txt
new file mode 100644
index 00000000..b9dab406
--- /dev/null
+++ b/procfg.txt
@@ -0,0 +1,31 @@
+-optimizationpasses 5
+-dontusemixedcaseclassnames
+-dontskipnonpubliclibraryclasses
+-dontpreverify
+-verbose
+-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*
+
+-keep public class * extends android.app.Activity
+-keep public class * extends android.app.Application
+-keep public class * extends android.app.Service
+-keep public class * extends android.content.BroadcastReceiver
+-keep public class * extends android.content.ContentProvider
+-keep public class com.android.vending.licensing.ILicensingService
+
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+-keepclasseswithmembernames class * {
+    public <init>(android.content.Context, android.util.AttributeSet); 
+}
+
+-keepclasseswithmembernames class * {
+    public <init>(android.content.Context, android.util.AttributeSet, int); 
+}
+
+-keepclassmembers enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
+}
+