diff --git a/admin/tool/mobile/lib.php b/admin/tool/mobile/lib.php
new file mode 100644
index 00000000000..9717c5372d9
--- /dev/null
+++ b/admin/tool/mobile/lib.php
@@ -0,0 +1,45 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Lib functions, mostly callbacks.
+ *
+ * @package    tool_mobile
+ * @copyright  2017 Juan Leyva
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Callback to add head elements.
+ *
+ * @return str valid html head content
+ * @since  Moodle 3.3
+ */
+function tool_mobile_before_standard_html_head() {
+    global $CFG, $PAGE;
+    $output = '';
+    // Smart App Banners meta tag is only displayed if mobile services are enabled and configured.
+    if (!empty($CFG->enablemobilewebservice)) {
+        $mobilesettings = get_config('tool_mobile');
+        if (!empty($mobilesettings->enablesmartappbanners) and !empty($mobilesettings->iosappid)) {
+            $output .= '<meta name="apple-itunes-app" content="app-id=' . s($mobilesettings->iosappid) . ', ';
+            $output .= 'app-argument=' . $PAGE->url->out() . '"/>';
+        }
+    }
+    return $output;
+}
diff --git a/lib/outputrenderers.php b/lib/outputrenderers.php
index 5495f90cb33..2385e7ada75 100644
--- a/lib/outputrenderers.php
+++ b/lib/outputrenderers.php
@@ -592,15 +592,6 @@ class core_renderer extends renderer_base {
             $output .= '<meta http-equiv="refresh" content="'.$this->page->periodicrefreshdelay.';url='.$this->page->url->out().'" />';
         }
 
-        // Smart App Banners meta tag is only displayed if mobile services are enabled and configured.
-        if (!empty($CFG->enablemobilewebservice)) {
-            $mobilesettings = get_config('tool_mobile');
-            if (!empty($mobilesettings->enablesmartappbanners) and !empty($mobilesettings->iosappid)) {
-                $output .= '<meta name="apple-itunes-app" content="app-id=' . s($mobilesettings->iosappid) . ', ';
-                $output .= 'app-argument=' . $this->page->url->out() . '"/>';
-            }
-        }
-
         // Set up help link popups for all links with the helptooltip class
         $this->page->requires->js_init_call('M.util.help_popups.setup');