Android samples renaming was done. Icon updated.

samples/android/15-puzzle/.project

 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>Sample - 15-puzzle</name>
+	<name>OpenCV Sample - 15-puzzle</name>
 	<comment></comment>
 	<projects>
 	</projects>

samples/android/15-puzzle/res/values/strings.xml

 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">OpenCV Sample - 15-puzzle</string>
+    <string name="app_name">OCV 15 Puzzle</string>
 </resources>

samples/android/color-blob-detection/.project

 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>ColorBlobDetection</name>
+	<name>OpenCV Sample - color-blob-detection</name>
 	<comment></comment>
 	<projects>
 	</projects>

samples/android/color-blob-detection/AndroidManifest.xml

@@ -7,7 +7,7 @@
     <uses-sdk android:minSdkVersion="8" />
 
     <application
-        android:icon="@drawable/ic_launcher"
+        android:icon="@drawable/icon"
         android:label="@string/app_name" >
         <activity
             android:name="org.opencv.samples.colorblobdetect.ColorBlobDetectionActivity"

samples/android/color-blob-detection/res/layout/main.xml

-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="fill_parent"
-    android:layout_height="fill_parent"
-    android:orientation="vertical" >
-
-    <TextView
-        android:layout_width="fill_parent"
-        android:layout_height="wrap_content"
-        android:text="@string/hello" />
-
-</LinearLayout>
\ No newline at end of file

samples/android/color-blob-detection/res/values/strings.xml

 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-
-    <string name="hello">Hello World, ColorBlobDetectionActivity!</string>
-    <string name="app_name">ColorBlobDetection</string>
-
+    <string name="app_name">OCV Color Blob Detection</string>
 </resources>
\ No newline at end of file

samples/android/face-detection/.project

 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>Sample - face-detection</name>
+	<name>OpenCV Sample - face-detection</name>
 	<comment></comment>
 	<projects>
 	</projects>

samples/android/face-detection/res/values/strings.xml

 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">OpenCV Sample - face-detection</string>
+    <string name="app_name">OCV Face Detection</string>
 </resources>

samples/android/image-manipulations/.project

 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>Sample - image-manipulations</name>
+	<name>OpenCV Sample - image-manipulations</name>
 	<comment></comment>
 	<projects>
 	</projects>

samples/android/image-manipulations/res/values/strings.xml

 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">OpenCV Sample - image-manipulations</string>
+    <string name="app_name">OCV Image Manipulations</string>
 </resources>

samples/android/tutorial-0-androidcamera/.project

 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>Tutorial 0 (Basic) - Android Camera</name>
+	<name>OpenCV Tutorial 0 - Android Camera</name>
 	<comment></comment>
 	<projects>
 	</projects>

samples/android/tutorial-0-androidcamera/res/values/strings.xml

 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">Tutorial 0 (Basic) - Android Camera</string>
+    <string name="app_name">OCV T0 Android Camera</string>
 </resources>

samples/android/tutorial-1-addopencv/.project

 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>Tutorial 1 (Basic) - Add OpenCV</name>
+	<name>OpenCV Tutorial 1 - Add OpenCV</name>
 	<comment></comment>
 	<projects>
 	</projects>

samples/android/tutorial-1-addopencv/res/values/strings.xml

 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">Tutorial 1 (Basic) - Add OpenCV</string>
+    <string name="app_name">OCV T1 Add OpenCV</string>
 </resources>

samples/android/tutorial-2-opencvcamera/.project

 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>Tutorial 2 (Basic) - Use OpenCV Camera</name>
+	<name>OpenCV Tutorial 2 - Use OpenCV Camera</name>
 	<comment></comment>
 	<projects>
 	</projects>

samples/android/tutorial-2-opencvcamera/res/values/strings.xml

 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">Tutorial 2 (Basic) - Use OpenCV Camera</string>
+    <string name="app_name">OCV T2 Use OpenCV Camera</string>
 </resources>

samples/android/tutorial-3-native/.project

 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>Tutorial 3 (Advanced) - Add Native OpenCV</name>
+	<name>OpenCV Tutorial 3 - Add Native OpenCV</name>
 	<comment></comment>
 	<projects>
 	</projects>

samples/android/tutorial-3-native/res/values/strings.xml

 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">Tutorial 3 (Advanced) - Add Native OpenCV</string>
+    <string name="app_name">OCV T3 Add Native OpenCV</string>
 </resources>

samples/android/tutorial-4-mixed/.project

 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>Tutorial 4 (Advanced) - Mix Java+Native OpenCV</name>
+	<name>OpenCV Tutorial 4 - Mix Java+Native OpenCV</name>
 	<comment></comment>
 	<projects>
 	</projects>

samples/android/tutorial-4-mixed/res/values/strings.xml

 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">Tutorial 4 (Advanced) - Mix Java+Native OpenCV</string>
+    <string name="app_name">OCV T4 Mix Java+Native OpenCV</string>
 </resources>