diff --git a/SWADroid/res/layout/main.xml b/SWADroid/res/layout/main.xml
index cc86e5d2..29d9cc96 100644
--- a/SWADroid/res/layout/main.xml
+++ b/SWADroid/res/layout/main.xml
@@ -12,12 +12,10 @@
         android:layout_width="fill_parent"
         android:layout_height="wrap_content"
         android:prompt="@string/selectCourseTitle" />
-
     <ExpandableListView
         android:id="@+id/android:list"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:cacheColorHint="@color/background" >
     </ExpandableListView>
-
-</LinearLayout>
\ No newline at end of file
+</LinearLayout>
diff --git a/SWADroid/src/es/ugr/swad/swadroid/Global.java b/SWADroid/src/es/ugr/swad/swadroid/Global.java
index 92d9f141..36c0d6f7 100644
--- a/SWADroid/src/es/ugr/swad/swadroid/Global.java
+++ b/SWADroid/src/es/ugr/swad/swadroid/Global.java
@@ -31,7 +31,7 @@ public class Global {
 	/**
 	 * SWAD application key
 	 */
-	private static final String AppKey = "";
+	private static final String AppKey = "HTC-Desire";
 	/**
 	 * Server URL
 	 */
diff --git a/SWADroid/src/es/ugr/swad/swadroid/SWADMain.java b/SWADroid/src/es/ugr/swad/swadroid/SWADMain.java
index 24758c97..e862aaee 100644
--- a/SWADroid/src/es/ugr/swad/swadroid/SWADMain.java
+++ b/SWADroid/src/es/ugr/swad/swadroid/SWADMain.java
@@ -19,6 +19,7 @@
 
 package es.ugr.swad.swadroid;
 
+
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -48,6 +49,9 @@ import es.ugr.swad.swadroid.model.DataBaseHelper;
 import es.ugr.swad.swadroid.model.Model;
 import es.ugr.swad.swadroid.modules.Courses;
 import es.ugr.swad.swadroid.modules.Groups;
+import es.ugr.swad.swadroid.model.Course;
+import es.ugr.swad.swadroid.model.DataBaseHelper;
+import es.ugr.swad.swadroid.model.Model;
 import es.ugr.swad.swadroid.modules.Messages;
 import es.ugr.swad.swadroid.modules.Module;
 import es.ugr.swad.swadroid.modules.Notices;
@@ -383,7 +387,6 @@ public class SWADMain extends MenuExpandableListActivity {
 			courseCode = courseSelected.getId();
 			Global.setSelectedCourseCode(courseCode);
 			createMenu();
-
 		}
 
 		@Override
@@ -567,5 +570,4 @@ public class SWADMain extends MenuExpandableListActivity {
 		}
 		currentRole = Global.TEACHER_TYPE_CODE;
 	}
-
 }
diff --git a/SWADroid/src/es/ugr/swad/swadroid/modules/Module.java b/SWADroid/src/es/ugr/swad/swadroid/modules/Module.java
index 56b54604..39dd7fa5 100644
--- a/SWADroid/src/es/ugr/swad/swadroid/modules/Module.java
+++ b/SWADroid/src/es/ugr/swad/swadroid/modules/Module.java
@@ -412,6 +412,7 @@ public abstract class Module extends MenuActivity {
     	 * Use of KeepAliveHttpsTransport deals with the problems with the Android ssl libraries having trouble
     	 * with certificates and certificate authorities somehow messing up connecting/needing reconnects.
     	 */
+    	String u =prefs.getServer();
     	URL = prefs.getServer();
         connection = new KeepAliveHttpsTransportSE(URL, 443, "", TIMEOUT);
         SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(SoapEnvelope.VER11);
diff --git a/SWADroid/src/es/ugr/swad/swadroid/modules/Notices.java b/SWADroid/src/es/ugr/swad/swadroid/modules/Notices.java
index f906178d..e212d4e1 100644
--- a/SWADroid/src/es/ugr/swad/swadroid/modules/Notices.java
+++ b/SWADroid/src/es/ugr/swad/swadroid/modules/Notices.java
@@ -199,4 +199,4 @@ public class Notices extends Module {
 
 
 
-}
\ No newline at end of file
+}
diff --git a/SWADroid/src/es/ugr/swad/swadroid/modules/tests/TestsConfigDownload.java b/SWADroid/src/es/ugr/swad/swadroid/modules/tests/TestsConfigDownload.java
index 84499cfb..cd506a50 100644
--- a/SWADroid/src/es/ugr/swad/swadroid/modules/tests/TestsConfigDownload.java
+++ b/SWADroid/src/es/ugr/swad/swadroid/modules/tests/TestsConfigDownload.java
@@ -74,8 +74,7 @@ public class TestsConfigDownload extends Module {
 	protected void onStart() {
 		super.onStart();
 		prefs.getPreferences(getBaseContext());
-		try {					
-
+		try {
 			if(isDebuggable) {
 				Log.d(TAG, "selectedCourseCode = " + Long.toString(Global.getSelectedCourseCode()));
 			}
@@ -89,7 +88,7 @@ public class TestsConfigDownload extends Module {
 				Log.e(ex.getClass().getSimpleName(), errorMsg);        		
 				ex.printStackTrace();
 			}
-		}		
+		}
 	}
 
 
@@ -114,7 +113,6 @@ public class TestsConfigDownload extends Module {
 		if (result != null) {
 			//Stores tests data returned by webservice response
 			Vector<?> res = (Vector<?>) result;
-
 			Integer pluggable = new Integer(res.get(0).toString());
 			isPluggable = Global.parseIntBool(pluggable);
 			numQuestions = new Integer(res.get(1).toString());
diff --git a/SWADroid/src/es/ugr/swad/swadroid/modules/tests/TestsMake.java b/SWADroid/src/es/ugr/swad/swadroid/modules/tests/TestsMake.java
index 7f335313..599e9da3 100644
--- a/SWADroid/src/es/ugr/swad/swadroid/modules/tests/TestsMake.java
+++ b/SWADroid/src/es/ugr/swad/swadroid/modules/tests/TestsMake.java
@@ -651,7 +651,6 @@ public class TestsMake extends Module {
 
 			test = (Test) dbHelper.getRow(Global.DB_TABLE_TEST_CONFIG, "id",
 					Long.toString(Global.getSelectedCourseCode()));
-
 			if(test != null) {
 				setNumQuestions();
 			} else {
@@ -661,7 +660,7 @@ public class TestsMake extends Module {
 		} else {
 			Toast.makeText(getBaseContext(), R.string.testNoQuestionsMsg, Toast.LENGTH_LONG).show();
 			finish();
-		}		
+		}
 
 	}
 
diff --git a/SWADroid/src/es/ugr/swad/swadroid/modules/tests/TestsQuestionsDownload.java b/SWADroid/src/es/ugr/swad/swadroid/modules/tests/TestsQuestionsDownload.java
index 6cce9afe..2be0f3c1 100644
--- a/SWADroid/src/es/ugr/swad/swadroid/modules/tests/TestsQuestionsDownload.java
+++ b/SWADroid/src/es/ugr/swad/swadroid/modules/tests/TestsQuestionsDownload.java
@@ -91,7 +91,6 @@ public class TestsQuestionsDownload extends Module {
 		sendRequest(Test.class, false);
 
 		if (result != null) {
-			//Stores tests data returned by webservice response
 			Vector<?> res = (Vector<?>) result;
 
 			SoapObject tagsListObject = (SoapObject)res.get(0);