diff --git a/calculatorpp-service/AndroidManifest.xml b/calculatorpp-service/AndroidManifest.xml
new file mode 100644
index 00000000..d1739b4a
--- /dev/null
+++ b/calculatorpp-service/AndroidManifest.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest
+		xmlns:a="http://schemas.android.com/apk/res/android"
+		package="org.solovyev.android.calculator"
+		a:versionCode="1"
+		a:versionName="1.0"/>
diff --git a/calculatorpp-service/pom.xml b/calculatorpp-service/pom.xml
new file mode 100644
index 00000000..b518441b
--- /dev/null
+++ b/calculatorpp-service/pom.xml
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+    <parent>
+        <groupId>org.solovyev.android</groupId>
+        <artifactId>calculatorpp-parent</artifactId>
+        <version>1.2.34</version>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.solovyev.android</groupId>
+    <artifactId>calculatorpp-service</artifactId>
+    <version>0.1</version>
+    <packaging>apklib</packaging>
+
+    <dependencies>
+
+        <dependency>
+            <groupId>com.intellij</groupId>
+            <artifactId>annotations</artifactId>
+            <version>7.0.3</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.google.android</groupId>
+            <artifactId>android</artifactId>
+            <scope>provided</scope>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+
+        <extensions>
+            <extension>
+                <groupId>com.jayway.maven.plugins.android.generation2</groupId>
+                <artifactId>android-maven-plugin</artifactId>
+                <version>3.1.1</version>
+            </extension>
+        </extensions>
+
+        <plugins>
+
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>properties-maven-plugin</artifactId>
+                <version>1.0-alpha-2</version>
+                <executions>
+                    <execution>
+                        <phase>initialize</phase>
+                        <goals>
+                            <goal>read-project-properties</goal>
+                        </goals>
+                        <configuration>
+                            <files>
+                                <file>${basedir}/src/misc/env/env.properties</file>
+                            </files>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+
+        </plugins>
+    </build>
+
+</project>
\ No newline at end of file
diff --git a/calculatorpp-service/src/main/java/org/solovyev/android/calculator/CalculationService.java b/calculatorpp-service/src/main/java/org/solovyev/android/calculator/CalculationService.java
new file mode 100644
index 00000000..6a40cd6d
--- /dev/null
+++ b/calculatorpp-service/src/main/java/org/solovyev/android/calculator/CalculationService.java
@@ -0,0 +1,74 @@
+package org.solovyev.android.calculator;
+
+import android.app.Service;
+import android.content.Intent;
+import android.os.*;
+import android.os.Process;
+import android.widget.Toast;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * User: serso
+ * Date: 3/5/12
+ * Time: 10:23 PM
+ */
+public class CalculationService extends Service {
+
+    @NotNull
+    private ServiceHandler handler;
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        Toast.makeText(this, ".CalculationService.onStartCommand", Toast.LENGTH_SHORT).show();
+
+        // For each start request, send a message to start a job and deliver the
+        // start ID so we know which request we're stopping when we finish the job
+        final Message msg = handler.obtainMessage();
+        msg.arg1 = startId;
+        handler.sendMessage(msg);
+
+        // If we get killed, after returning from here, restart
+        return START_STICKY;
+    }
+
+
+    @Override
+    public void onCreate() {
+        Toast.makeText(this, ".CalculationService.onCreate", Toast.LENGTH_SHORT).show();
+        // first time initialization
+
+        // Start up the thread running the service.  Note that we create a
+        // separate thread because the service normally runs in the process's
+        // main thread, which we don't want to block.  We also make it
+        // background priority so CPU-intensive work will not disrupt our UI.
+        final HandlerThread thread = new HandlerThread("ServiceStartArguments", Process.THREAD_PRIORITY_BACKGROUND);
+        thread.start();
+
+        handler = new ServiceHandler(thread.getLooper());
+
+    }
+
+    @Override
+    public void onDestroy() {
+        // last time call
+        Toast.makeText(this, ".CalculationService.onDestroy", Toast.LENGTH_SHORT).show();
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return null;
+    }
+
+    private final class ServiceHandler extends Handler {
+
+        private ServiceHandler(@NotNull Looper looper) {
+            super(looper);
+        }
+
+        @Override
+        public void handleMessage(@NotNull Message msg) {
+            Toast.makeText(CalculationService.this, "Doing job!", Toast.LENGTH_SHORT).show();
+            stopSelf(msg.arg1);
+        }
+    }
+}
diff --git a/calculatorpp/AndroidManifest.xml b/calculatorpp/AndroidManifest.xml
index 0dd28db4..60c5c126 100644
--- a/calculatorpp/AndroidManifest.xml
+++ b/calculatorpp/AndroidManifest.xml
@@ -8,7 +8,7 @@
 
 	<uses-sdk android:minSdkVersion="4" android:targetSdkVersion="8"/>
 
-	<application android:debuggable="false" android:hardwareAccelerated="false" android:icon="@drawable/icon" android:label="@string/c_app_name" android:name=".CalculatorApplication">
+	<application android:debuggable="true" android:hardwareAccelerated="false" android:icon="@drawable/icon" android:label="@string/c_app_name" android:name=".CalculatorApplication">
 
 		<activity android:label="@string/c_app_name" android:name=".CalculatorActivity" android:windowSoftInputMode="adjustPan">
 
@@ -18,6 +18,8 @@
 			</intent-filter>
 
 		</activity>
+        
+        <service android:name="org.solovyev.android.calculator.CalculationService"/>
 
 		<!--NOTE: a:configChanges="orientation|keyboardHidden" is needed to correct work of dialog windows (not to close them on orientation change) -->
 		<activity android:configChanges="orientation|keyboardHidden" android:label="@string/c_app_settings" android:name=".CalculatorPreferencesActivity"/>
diff --git a/calculatorpp/pom.xml b/calculatorpp/pom.xml
index 09a54975..5a1a7ba7 100644
--- a/calculatorpp/pom.xml
+++ b/calculatorpp/pom.xml
@@ -56,6 +56,13 @@
             <type>apklib</type>
         </dependency>
 
+        <dependency>
+            <groupId>org.solovyev.android</groupId>
+            <artifactId>calculatorpp-service</artifactId>
+            <version>0.1</version>
+            <type>apklib</type>
+        </dependency>
+
         <dependency>
             <groupId>org.solovyev</groupId>
             <artifactId>jscl</artifactId>
diff --git a/calculatorpp/project.properties b/calculatorpp/project.properties
index 9898e890..c4bcf4cf 100644
--- a/calculatorpp/project.properties
+++ b/calculatorpp/project.properties
@@ -9,4 +9,5 @@
 
 # Project target.
 target=android-15
-android.library.reference.1=gen-external-apklibs/org.solovyev.android_billing_0.1
+android.library.reference.1=../../common
+android.library.reference.2=../calculatorpp-service
diff --git a/pom.xml b/pom.xml
index 1a238a95..092ab6ad 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,6 +12,7 @@
 
     <modules>
         <module>../common</module>
+        <module>calculatorpp-service</module>
         <module>calculatorpp</module>
         <module>calculatorpp-test</module>
     </modules>
@@ -26,7 +27,7 @@
             <dependency>
                 <groupId>com.google.android</groupId>
                 <artifactId>android</artifactId>
-                <version>2.3.3</version>
+                <version>4.0.1.2</version>
                 <scope>provided</scope>
             </dependency>
             <dependency>
@@ -68,11 +69,11 @@
                             <platform>15</platform>
                         </sdk>
 
-                        <!--                        <emulator>
+                        <emulator>
                             <avd>23</avd>
                             <wait>10000</wait>
-                            &lt;!&ndash;<options>-no-skin</options>&ndash;&gt;
-                        </emulator>-->
+                            <!--<options>-no-skin</options>-->
+                        </emulator>
 
                         <zipalign>
                             <verbose>true</verbose>