diff --git a/mobile/android/base/Makefile.in b/mobile/android/base/Makefile.in
index 2bc2f772969a..1ee97f473888 100644
--- a/mobile/android/base/Makefile.in
+++ b/mobile/android/base/Makefile.in
@@ -275,6 +275,7 @@ RES_LAYOUT = \
   res/layout/doorhangerpopup.xml \
   res/layout/doorhanger.xml \
   res/layout/find_in_page_content.xml \
+  res/layout/font_size_preference.xml \
   res/layout/gecko_app.xml \
   res/layout/web_app.xml \
   res/layout/launch_app_list.xml \
diff --git a/mobile/android/base/locales/en-US/android_strings.dtd b/mobile/android/base/locales/en-US/android_strings.dtd
index 9fc4298a9636..cf0b048b8590 100644
--- a/mobile/android/base/locales/en-US/android_strings.dtd
+++ b/mobile/android/base/locales/en-US/android_strings.dtd
@@ -85,6 +85,11 @@
 <!ENTITY pref_font_size_medium "Medium">
 <!ENTITY pref_font_size_large "Large">
 <!ENTITY pref_font_size_xlarge "Extra Large">
+
+<!-- Localization note (pref_font_size_preview_text): This paragraph is used as an example to
+    demonstrate the font size setting.  It is meant to be whimsical and fun. -->
+<!ENTITY pref_font_size_preview_text "The quick orange fox jumps over your expectations with more speed, more flexibility and more security. As a non-profit, we\'re free to innovate on your behalf without any pressure to compromise. That means a better experience for you and a brighter future for the Web.">
+
 <!ENTITY pref_use_master_password "Use master password">
 <!ENTITY pref_sync "Sync">
 <!ENTITY pref_search_suggestions "Show search suggestions">
diff --git a/mobile/android/base/resources/layout/font_size_preference.xml b/mobile/android/base/resources/layout/font_size_preference.xml
new file mode 100644
index 000000000000..f24a30e52a36
--- /dev/null
+++ b/mobile/android/base/resources/layout/font_size_preference.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this file,
+   - You can obtain one at http://mozilla.org/MPL/2.0/.  -->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android">
+    <TextView android:id="@+id/preview"
+        style="?android:attr/textAppearanceSmall"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/pref_font_size_preview_text"
+        android:textColor="?android:attr/textColorSecondary" />
+</LinearLayout>
diff --git a/mobile/android/base/strings.xml.in b/mobile/android/base/strings.xml.in
index 780d74cf0a62..41e6cee1bf65 100644
--- a/mobile/android/base/strings.xml.in
+++ b/mobile/android/base/strings.xml.in
@@ -91,6 +91,7 @@
   <string name="pref_font_size_medium">&pref_font_size_medium;</string>
   <string name="pref_font_size_large">&pref_font_size_large;</string>
   <string name="pref_font_size_xlarge">&pref_font_size_xlarge;</string>
+  <string name="pref_font_size_preview_text">&pref_font_size_preview_text;</string>
   <string name="pref_sync">&pref_sync;</string>
   <string name="pref_search_suggestions">&pref_search_suggestions;</string>
   <string name="pref_private_data_history">&pref_private_data_history;</string>