diff --git a/OsmAnd/build.gradle b/OsmAnd/build.gradle
index 16d11b119a..122a68c6a4 100644
--- a/OsmAnd/build.gradle
+++ b/OsmAnd/build.gradle
@@ -350,9 +350,17 @@ repositories {
 	// mavenCentral()
 }
 
+def analytics = (System.getenv("APP_FEATURES") && System.getenv("APP_FEATURES").contains("+play_market") && 
+	System.getenv("PACKAGE_TO_BUILT").equals("net.osmand") ) || System.getenv("USE_FIREBASE")
 dependencies {
 	compile project(path: ':OsmAnd-java', configuration: 'android')
 	
+	if(analytics) {
+	    compile 'com.google.firebase:firebase-core:9.8.0'
+	   	compile 'com.google.firebase:firebase-config:9.8.0'
+	    
+	}
+	
 	
 	// compile project(':eclipse-compile:design')
 	// compile project(':eclipse-compile:cardview')
@@ -368,8 +376,7 @@ dependencies {
 	qtcoreCompile "net.osmand:OsmAndCore_androidNativeRelease:0.1-SNAPSHOT@aar"
 	qtcoreCompile "net.osmand:OsmAndCore_android:0.1-SNAPSHOT@aar"
 }
-if(System.getenv("APP_FEATURES") && System.getenv("APP_FEATURES").contains("+play_market") && 
-	System.getenv("PACKAGE_TO_BUILT").equals("net.osmand")) {
+if(analytics) {
 	println "Apply GMS plugin"
 	apply plugin: 'com.google.gms.google-services'
 }
diff --git a/OsmAnd/src/net/osmand/plus/OsmandApplication.java b/OsmAnd/src/net/osmand/plus/OsmandApplication.java
index 3b6e110838..32f3489530 100644
--- a/OsmAnd/src/net/osmand/plus/OsmandApplication.java
+++ b/OsmAnd/src/net/osmand/plus/OsmandApplication.java
@@ -11,6 +11,7 @@ import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.res.Configuration;
 import android.os.AsyncTask;
 import android.os.Build;
+import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
 import android.support.multidex.MultiDex;
@@ -57,6 +58,7 @@ import java.io.File;
 import java.io.FileWriter;
 import java.io.PrintStream;
 import java.lang.Thread.UncaughtExceptionHandler;
+import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.Locale;
 
@@ -776,4 +778,18 @@ public class OsmandApplication extends MultiDexApplication {
 		}
 		return l;
 	}
+	
+	public void logEvent(Activity ctx, String event) {
+		try {
+			if(Version.isGooglePlayEnabled(this) && Version.isFreeVersion(this)) { 
+				Class<?> cl = Class.forName("com.google.firebase.analytics.FirebaseAnalytics");
+				Method mm = cl.getMethod("getInstance", Context.class);
+				Object inst = mm.invoke(null, ctx == null ? this : ctx);
+				Method log = cl.getMethod("logEvent", String.class, Bundle.class);
+				log.invoke(inst, event, new Bundle());
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+		}
+	}
 }
diff --git a/OsmAnd/src/net/osmand/plus/download/DownloadIndexesThread.java b/OsmAnd/src/net/osmand/plus/download/DownloadIndexesThread.java
index 4631d7f5e6..1a75e5e694 100644
--- a/OsmAnd/src/net/osmand/plus/download/DownloadIndexesThread.java
+++ b/OsmAnd/src/net/osmand/plus/download/DownloadIndexesThread.java
@@ -264,6 +264,9 @@ public class DownloadIndexesThread {
 				return;
 			}	
 		}
+		if(uiActivity instanceof Activity) {
+			app.logEvent((Activity) uiActivity, "download_files");
+		}
 		for(IndexItem item : items) {
 			if (!item.equals(currentDownloadingItem) && !indexItemDownloading.contains(item)) {
 				indexItemDownloading.add(item);
diff --git a/OsmAnd/src/net/osmand/plus/views/MapControlsLayer.java b/OsmAnd/src/net/osmand/plus/views/MapControlsLayer.java
index 81e6149296..7c4ec4cf59 100644
--- a/OsmAnd/src/net/osmand/plus/views/MapControlsLayer.java
+++ b/OsmAnd/src/net/osmand/plus/views/MapControlsLayer.java
@@ -2,6 +2,7 @@ package net.osmand.plus.views;
 
 import android.Manifest;
 import android.annotation.SuppressLint;
+import android.app.Activity;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.pm.PackageManager;
@@ -26,7 +27,6 @@ import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.SeekBar;
 import android.widget.TextView;
-
 import net.osmand.AndroidUtils;
 import net.osmand.core.android.MapRendererContext;
 import net.osmand.data.LatLon;
@@ -582,6 +582,7 @@ public class MapControlsLayer extends OsmandMapLayer {
 				mapRouteInfoMenu.show();
 			} else {
 				touchEvent = 0;
+				app.logEvent(mapActivity, "start_navigation");
 				app.getSettings().APPLICATION_MODE.set(routingHelper.getAppMode());
 				mapActivity.getMapViewTrackingUtilities().backToLocationImpl();
 				app.getSettings().FOLLOW_THE_ROUTE.set(true);