diff --git a/.gitignore b/.gitignore
index c2e204279..1cfc6f7b4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,4 +9,4 @@ project/res/values*
 project/AndroidManifest.xml
 project/jni/Settings.mk
 libapplication.so
-project/proguard.cfg
+
diff --git a/project/proguard.cfg b/project/proguard.cfg
new file mode 100644
index 000000000..04d92e57c
--- /dev/null
+++ b/project/proguard.cfg
@@ -0,0 +1,55 @@
+-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 * extends android.app.backup.BackupAgentHelper
+-keep public class * extends android.preference.Preference
+-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);
+}
+
+-keep class * implements android.os.Parcelable {
+  public static final android.os.Parcelable$Creator *;
+}
+
+-keepclasseswithmembers class * {
+    native <methods>;
+}
+
+-keep class com.<pkg>.AudioThread {
+    int initAudio(int, int, int, int);
+   int deinitAudio();
+   int pauseAudioPlayback();
+   int resumeAudioPlayback();
+   int fillBuffer();
+   int initAudioThread();
+   *** getBuffer();
+}
+
+-keep class com.<pkg>.DemoRenderer {
+    int swapBuffers();
+   void showScreenKeyboard(java.lang.String, int);
+}