diff --git a/android/service/engine/AndroidManifest.xml b/android/service/engine/AndroidManifest.xml
index 9512c7b6c..5fee38f1b 100644
--- a/android/service/engine/AndroidManifest.xml
+++ b/android/service/engine/AndroidManifest.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="org.opencv.engine"
-    android:versionCode="12"
-    android:versionName="1.2" >
+    android:versionCode="13"
+    android:versionName="1.3" >
 
     <uses-sdk android:minSdkVersion="8" />
     <uses-feature android:name="android.hardware.touchscreen" android:required="false"/>
diff --git a/android/service/engine/jni/Android.mk b/android/service/engine/jni/Android.mk
index be73f6c5b..4ba317603 100644
--- a/android/service/engine/jni/Android.mk
+++ b/android/service/engine/jni/Android.mk
@@ -25,7 +25,7 @@ LOCAL_C_INCLUDES := \
 
 LOCAL_CFLAGS += -DPLATFORM_ANDROID
 LOCAL_CFLAGS += -D__SUPPORT_ARMEABI_V7A_FEATURES
-#LOCAL_CFLAGS += -D__SUPPORT_TEGRA3
+LOCAL_CFLAGS += -D__SUPPORT_TEGRA3
 #LOCAL_CFLAGS += -D__SUPPORT_ARMEABI_FEATURES
 
 LOCAL_PRELINK_MODULE := false
@@ -66,7 +66,7 @@ LOCAL_PRELINK_MODULE := false
 
 LOCAL_CFLAGS += -DPLATFORM_ANDROID
 LOCAL_CFLAGS += -D__SUPPORT_ARMEABI_V7A_FEATURES
-#LOCAL_CFLAGS += -D__SUPPORT_TEGRA3
+LOCAL_CFLAGS += -D__SUPPORT_TEGRA3
 #LOCAL_CFLAGS += -D__SUPPORT_ARMEABI_FEATURES
 
 LOCAL_MODULE := libOpenCVEngine_jni
diff --git a/android/service/engine/jni/Tests/Tests.mk b/android/service/engine/jni/Tests/Tests.mk
index 3dab5f010..9027e15fb 100644
--- a/android/service/engine/jni/Tests/Tests.mk
+++ b/android/service/engine/jni/Tests/Tests.mk
@@ -32,7 +32,7 @@ LOCAL_C_INCLUDES := \
 
 LOCAL_CFLAGS += -O0 -DGTEST_HAS_CLONE=0 -DGTEST_OS_LINUX_ANDROID=1 -DGTEST_HAS_TR1_TUPLE=0
 LOCAL_CFLAGS += -D__SUPPORT_ARMEABI_V7A_FEATURES
-#LOCAL_CFLAGS += -D__SUPPORT_TEGRA3
+LOCAL_CFLAGS += -D__SUPPORT_TEGRA3
 #LOCAL_CFLAGS += -D__SUPPORT_ARMEABI_FEATURES
 
 LOCAL_LDFLAGS = -Wl,-allow-shlib-undefined