diff --git a/sudoku-android/README.md b/sudoku-android/README.md
index 761ea6a..680eca1 100755
--- a/sudoku-android/README.md
+++ b/sudoku-android/README.md
@@ -13,6 +13,9 @@ To install the application on your device, type:
 
     mvn clean install android:deploy
 
+
+## For App Store upload
+
 For signing and releasing it for the app store:
 
     mvn clean install -Pandroid,sign
@@ -24,13 +27,16 @@ Make sure you've defined the necessary properties in your settings.xml, namely
     android.storepass
     
 Of course, you have to create a corresponding keystore and use your own storepass.
-    
+ 
+For upload to app store use 
 
+    target/sudoku-android-aligned.apk.    
+
+via the web interface of googles play store.
 
 ## TODOS
 
 - create a HUD with a frame so the user knows where to place the sudoku
-- show ads only when solution is shown
 - translate to chinese
 - improvement of detection algorithm for the sudoku corners
 - parameter dialog / preferences
@@ -40,6 +46,4 @@ Of course, you have to create a corresponding keystore and use your own storepas
 - progress bar implementieren: entlang dem bild unten einen bar der von rot auf grün wechselt,
 und je nach anzahl der erkannten nummern sich langsam füllt
 - mini thumb matrix links oben anzeigen von erkannten zahlen
-- integrate opencv correctly (maybe even without opencv manager)
-
 
diff --git a/sudoku-android/src/main/libs/armeabi-v7a/libnative_camera_r4.0.0.so b/sudoku-android/src/main/libs/armeabi-v7a/libnative_camera_r4.0.0.so
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diff --git a/sudoku-android/src/main/libs/armeabi-v7a/libnative_camera_r4.0.3.so b/sudoku-android/src/main/libs/armeabi-v7a/libnative_camera_r4.0.3.so
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diff --git a/sudoku-android/src/main/libs/armeabi-v7a/libnative_camera_r4.1.1.so b/sudoku-android/src/main/libs/armeabi-v7a/libnative_camera_r4.1.1.so
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diff --git a/sudoku-android/src/main/libs/armeabi-v7a/libnative_camera_r4.2.0.so b/sudoku-android/src/main/libs/armeabi-v7a/libnative_camera_r4.2.0.so
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diff --git a/sudoku-android/src/main/libs/armeabi-v7a/libnative_camera_r4.3.0.so b/sudoku-android/src/main/libs/armeabi-v7a/libnative_camera_r4.3.0.so
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diff --git a/sudoku-android/src/main/libs/armeabi-v7a/libnative_camera_r4.4.0.so b/sudoku-android/src/main/libs/armeabi-v7a/libnative_camera_r4.4.0.so
new file mode 100644
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diff --git a/sudoku-android/src/main/libs/armeabi-v7a/libopencv_androidcamera.a b/sudoku-android/src/main/libs/armeabi-v7a/libopencv_androidcamera.a
new file mode 100644
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diff --git a/sudoku-android/src/main/libs/armeabi-v7a/libopencv_core.a b/sudoku-android/src/main/libs/armeabi-v7a/libopencv_core.a
new file mode 100644
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diff --git a/sudoku-android/src/main/libs/armeabi-v7a/libopencv_highgui.a b/sudoku-android/src/main/libs/armeabi-v7a/libopencv_highgui.a
new file mode 100644
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diff --git a/sudoku-android/src/main/libs/armeabi-v7a/libopencv_imgproc.a b/sudoku-android/src/main/libs/armeabi-v7a/libopencv_imgproc.a
new file mode 100644
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diff --git a/sudoku-android/src/main/libs/armeabi-v7a/libopencv_java.so b/sudoku-android/src/main/libs/armeabi-v7a/libopencv_java.so
new file mode 100644
index 0000000..c8d6e28
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diff --git a/sudoku-android/src/main/scala/net/ladstatt/apps/sudoku/android/SudokuCapturer.scala b/sudoku-android/src/main/scala/net/ladstatt/apps/sudoku/android/SudokuCapturer.scala
index 8775b55..c4585d8 100644
--- a/sudoku-android/src/main/scala/net/ladstatt/apps/sudoku/android/SudokuCapturer.scala
+++ b/sudoku-android/src/main/scala/net/ladstatt/apps/sudoku/android/SudokuCapturer.scala
@@ -9,20 +9,42 @@ import _root_.android.widget.{Button, FrameLayout}
 import com.google.ads.{AdRequest, AdSize, AdView}
 import net.ladstatt.apps.sudoku._
 import org.opencv.android.CameraBridgeViewBase.CvCameraViewListener2
-import org.opencv.android.{BaseLoaderCallback, CameraBridgeViewBase, LoaderCallbackInterface, OpenCVLoader}
+import org.opencv.android.{CameraBridgeViewBase, OpenCVLoader}
 import org.opencv.core._
 
 import scala.concurrent.Await
 import scala.concurrent.duration._
 
-object SudokuCapturer {
+
+trait CanLog {
+
   val TAG = "SudokuCapturer"
+
+  def logInfo(message: String): Unit = {
+    Log.i(TAG, message)
+    ()
+  }
+
+  def logError(message: String): Unit = {
+    Log.e(TAG, message)
+    ()
+  }
+
+  def loadOpenCV(): Unit = {
+    if (OpenCVLoader.initDebug()) {
+      logInfo("OpenCV initialized successfully.")
+    } else {
+      logError("Could not initialize OpenCV properly.")
+    }
+  }
 }
 
+object SudokuCapturer extends CanLog {
+  loadOpenCV()
+}
 
-class SudokuCapturer extends Activity with CvCameraViewListener2 {
 
-  import net.ladstatt.apps.sudoku.android.SudokuCapturer._
+class SudokuCapturer extends Activity with CvCameraViewListener2 with CanLog {
 
   var cameraView: CameraBridgeViewBase = _
   var rescanButton: Button = _
@@ -38,28 +60,20 @@ class SudokuCapturer extends Activity with CvCameraViewListener2 {
   var digitLibrary: DigitLibrary = defaultLibrary
   var hitCounts: HitCounters = defaultHitCounts
 
-  def logInfo(message: String): Unit = {
-    Log.i(TAG, message)
-    ()
-  }
 
-  def logError(message: String): Unit = {
-    Log.e(TAG, message)
-    ()
-  }
-
-  val mLoaderCallback: BaseLoaderCallback = new BaseLoaderCallback(this) {
-    override def onManagerConnected(status: Int) {
-      status match {
-        case LoaderCallbackInterface.SUCCESS => {
-          Log.i(TAG, "OpenCV loaded successfully")
-          cameraView.enableView()
+  /*
+    val mLoaderCallback: BaseLoaderCallback = new BaseLoaderCallback(this) {
+      override def onManagerConnected(status: Int) {
+        status match {
+          case LoaderCallbackInterface.SUCCESS => {
+            Log.i(TAG, "OpenCV loaded successfully")
+            cameraView.enableView()
+          }
+          case _ => super.onManagerConnected(status)
         }
-        case _ => super.onManagerConnected(status)
       }
     }
-  }
-
+                  */
 
   def initAssets(): Unit = {
     TemplateLibrary.getResourceAsStream = getAssets().open
@@ -85,7 +99,7 @@ class SudokuCapturer extends Activity with CvCameraViewListener2 {
         digitLibrary = defaultLibrary
         hitCounts = defaultHitCounts
         rescanButton.setVisibility(View.GONE)
-      //  adView.setVisibility(View.GONE)
+        //  adView.setVisibility(View.GONE)
         solution = null
 
       }
@@ -101,6 +115,7 @@ class SudokuCapturer extends Activity with CvCameraViewListener2 {
     handler = new Handler()
     rescanButton.setVisibility(View.GONE)
     adView.setVisibility(View.VISIBLE)
+    cameraView.enableView()
   }
 
   override def onBackPressed(): Unit = {
@@ -122,7 +137,8 @@ class SudokuCapturer extends Activity with CvCameraViewListener2 {
   override def onResume(): Unit = {
     super.onResume()
     logInfo("onResume called")
-    OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_6, this, mLoaderCallback)
+    loadOpenCV()
+    //OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_6, this, mLoaderCallback)
     ()
   }
 
@@ -170,7 +186,7 @@ class SudokuCapturer extends Activity with CvCameraViewListener2 {
             case s: SSuccess => {
               execOnUIThread({
                 rescanButton.setVisibility(View.VISIBLE)
-               // adView.setVisibility(View.VISIBLE)
+                // adView.setVisibility(View.VISIBLE)
               })
               solution = s.solutionMat
               solution
diff --git a/sudoku-android/src/site/markdown/releases.md b/sudoku-android/src/site/markdown/releases.md
index 612fbd6..338fa92 100644
--- a/sudoku-android/src/site/markdown/releases.md
+++ b/sudoku-android/src/site/markdown/releases.md
@@ -22,7 +22,10 @@
 
 ## Release 2.1 (unreleased)
 
-- Included OpenCV libraries in the apk, now OpenCV Manager Download necessary anymore
+## Release 1.6 (21. 6 2015)
+
+- Included OpenCV libraries in the apk, no separate OpenCV Manager Download necessary anymore
+- Ads are shown again permanently
 
 ## Release 1.5 (6. April 2015) [VersionCode 7, Version Name 1.5]