diff --git a/android/src/com/mapswithme/maps/bookmarks/BookmarksDownloadFragmentDelegate.java b/android/src/com/mapswithme/maps/bookmarks/BookmarksDownloadFragmentDelegate.java
index 190b4d11b9..2b20f68614 100644
--- a/android/src/com/mapswithme/maps/bookmarks/BookmarksDownloadFragmentDelegate.java
+++ b/android/src/com/mapswithme/maps/bookmarks/BookmarksDownloadFragmentDelegate.java
@@ -22,11 +22,14 @@ import com.mapswithme.maps.dialog.ConfirmationDialogFactory;
 import com.mapswithme.maps.dialog.ProgressDialogFragment;
 import com.mapswithme.maps.purchase.BookmarkPaymentActivity;
 import com.mapswithme.maps.purchase.PurchaseUtils;
+import com.mapswithme.util.log.Logger;
+import com.mapswithme.util.log.LoggerFactory;
 
 class BookmarksDownloadFragmentDelegate implements Authorizer.Callback, BookmarkDownloadCallback,
                                                    TargetFragmentCallback
 {
-
+  private final static Logger LOGGER = LoggerFactory.INSTANCE.getLogger(LoggerFactory.Type.BILLING);
+  private final static String TAG = BookmarksDownloadFragmentDelegate.class.getSimpleName();
   @SuppressWarnings("NullableProblems")
   @NonNull
   private Authorizer mAuthorizer;
@@ -77,6 +80,7 @@ class BookmarksDownloadFragmentDelegate implements Authorizer.Callback, Bookmark
     if (savedInstanceState != null)
       return;
 
+    LOGGER.i(TAG, "Check invalid bookmark categories...");
     BookmarkManager.INSTANCE.checkInvalidCategories();
   }
 
@@ -211,6 +215,7 @@ class BookmarksDownloadFragmentDelegate implements Authorizer.Callback, Bookmark
     @Override
     public void onCheckInvalidCategories(boolean hasInvalidCategories)
     {
+      LOGGER.i(TAG, "Has invalid categories: " + hasInvalidCategories);
       BookmarkManager.INSTANCE.removeInvalidCategoriesListener(this);
 
       if (mFrag == null)
diff --git a/android/src/com/mapswithme/maps/bookmarks/InvalidSubscriptionAlertDialogCallback.java b/android/src/com/mapswithme/maps/bookmarks/InvalidSubscriptionAlertDialogCallback.java
index c61c709f6f..f1869753f8 100644
--- a/android/src/com/mapswithme/maps/bookmarks/InvalidSubscriptionAlertDialogCallback.java
+++ b/android/src/com/mapswithme/maps/bookmarks/InvalidSubscriptionAlertDialogCallback.java
@@ -7,6 +7,8 @@ import com.mapswithme.maps.bookmarks.data.BookmarkManager;
 import com.mapswithme.maps.dialog.AlertDialogCallback;
 import com.mapswithme.maps.purchase.BookmarkSubscriptionActivity;
 import com.mapswithme.maps.purchase.PurchaseUtils;
+import com.mapswithme.util.log.Logger;
+import com.mapswithme.util.log.LoggerFactory;
 
 class InvalidSubscriptionAlertDialogCallback implements AlertDialogCallback
 {
@@ -27,6 +29,9 @@ class InvalidSubscriptionAlertDialogCallback implements AlertDialogCallback
   @Override
   public void onAlertDialogNegativeClick(int requestCode, int which)
   {
+    Logger logger = LoggerFactory.INSTANCE.getLogger(LoggerFactory.Type.BILLING);
+    String tag = InvalidSubscriptionAlertDialogCallback.class.getSimpleName();
+    logger.i(tag, "Delete invalid categories, user didn't continue subscription...");
     BookmarkManager.INSTANCE.deleteInvalidCategories();
   }
 
diff --git a/android/src/com/mapswithme/maps/purchase/BookmarkSubscriptionFragment.java b/android/src/com/mapswithme/maps/purchase/BookmarkSubscriptionFragment.java
index 108fdacfff..ed4ca389a3 100644
--- a/android/src/com/mapswithme/maps/purchase/BookmarkSubscriptionFragment.java
+++ b/android/src/com/mapswithme/maps/purchase/BookmarkSubscriptionFragment.java
@@ -428,6 +428,7 @@ public class BookmarkSubscriptionFragment extends BaseMwmFragment
     @Override
     public void onPingFinished(boolean isServiceAvailable)
     {
+      LOGGER.i(TAG, "Ping finished, isServiceAvailable: " + isServiceAvailable);
       if (getUiObject() == null)
         mPendingPingingResult = isServiceAvailable;
       else