diff --git a/res/menu/activity_canvas.xml b/res/menu/activity_canvas.xml
index a714644..6aa78a8 100644
--- a/res/menu/activity_canvas.xml
+++ b/res/menu/activity_canvas.xml
@@ -5,4 +5,9 @@
         android:showAsAction="ifRoom"
         android:title="@string/menu_settings" android:onClick="showSettings"/>
 
+        <item
+        android:orderInCategory="100"
+        android:showAsAction="never"
+        android:title="@string/menu_about" android:onClick="showAbout"/>
+    
 </menu>
\ No newline at end of file
diff --git a/res/values/strings.xml b/res/values/strings.xml
index a6a22bc..990abfc 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -5,5 +5,6 @@
     <string name="menu_settings">Settings</string>
     <string name="preferences_host_title">X.org host</string>
     <string name="stylus_preference">Sense stylus only</string>
+    <string name="menu_about">About</string>
 
 </resources>
\ No newline at end of file
diff --git a/res/xml/network_preferences.xml b/res/xml/network_preferences.xml
index 4c604e1..306ae20 100644
--- a/res/xml/network_preferences.xml
+++ b/res/xml/network_preferences.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android" >
-    <EditTextPreference android:title="@string/preferences_host_title" android:key="host_preference" android:defaultValue="127.0.0.1" android:singleLine="true"/>
+    <EditTextPreference android:title="@string/preferences_host_title" android:key="host_preference" android:defaultValue="please-replace.invalid" android:singleLine="true"/>
 </PreferenceScreen>
diff --git a/src/com/gimpusers/xorgtablet/CanvasActivity.java b/src/com/gimpusers/xorgtablet/CanvasActivity.java
index de73e65..c5c9cdc 100644
--- a/src/com/gimpusers/xorgtablet/CanvasActivity.java
+++ b/src/com/gimpusers/xorgtablet/CanvasActivity.java
@@ -1,5 +1,6 @@
 package com.gimpusers.xorgtablet;
 
+import android.net.Uri;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.app.Activity;
@@ -44,6 +45,10 @@ public class CanvasActivity extends Activity {
 		return true;
 	}
 
+	public void showAbout(MenuItem item) {
+		startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(("https://github.com/rfc2822/XorgTablet"))));
+	}
+	
 	public void showSettings(MenuItem item) {
 		startActivity(new Intent(CanvasActivity.this, SettingsActivity.class));
 	}
diff --git a/src/com/gimpusers/xorgtablet/XorgClient.java b/src/com/gimpusers/xorgtablet/XorgClient.java
index 6399bcc..6d30edb 100644
--- a/src/com/gimpusers/xorgtablet/XorgClient.java
+++ b/src/com/gimpusers/xorgtablet/XorgClient.java
@@ -2,27 +2,16 @@ package com.gimpusers.xorgtablet;
 
 import java.io.ByteArrayOutputStream;
 import java.io.DataOutputStream;
-import java.io.IOException;
-import java.io.OutputStreamWriter;
 import java.net.DatagramPacket;
 import java.net.DatagramSocket;
 import java.net.InetAddress;
-import java.net.SocketException;
 import java.net.UnknownHostException;
 import java.util.concurrent.LinkedBlockingQueue;
 
-import android.app.Service;
-import android.content.Intent;
 import android.content.SharedPreferences;
-import android.os.Binder;
-import android.os.IBinder;
-import android.preference.PreferenceManager;
-import android.provider.ContactsContract.Contacts.Data;
 import android.util.Log;
-import android.view.MotionEvent;
-import android.widget.Toast;
 
-// see protocol.h in xf86-networktablet driver for details about the protocol
+// see xf86-networktablet on Github for details about the protocol
 
 
 public class XorgClient implements Runnable {
@@ -39,7 +28,7 @@ public class XorgClient implements Runnable {
 	
 	boolean configureNetworking() {
 		try {
-			String hostName = preferences.getString(SettingsActivity.KEY_PREF_HOST, "127.0.0.1");
+			String hostName = preferences.getString(SettingsActivity.KEY_PREF_HOST, "unknown.invalid");
 			destAddress = InetAddress.getByName(hostName);
 			
 			if (lastConfiguration != null)
@@ -63,13 +52,15 @@ public class XorgClient implements Runnable {
 			while (true) {
 				XEvent event = motionQueue.take();
 				
-				if (destAddress == null)
-					continue;
-				
+				// save resolution, even if not sending it
 				if (event.getClass() == XConfigurationEvent.class)
 					lastConfiguration = (XConfigurationEvent)event;
+				// graceful shutdown
 				else if (event.getClass() == XDisconnectEvent.class)
 					break;
+				
+				if (destAddress == null)		// no valid destination host
+					continue;
 			
 				byte[] data = event.toByteArray();
 				DatagramPacket pkt = new DatagramPacket(data, data.length, destAddress, 40117);