--- a/mobile/app/mobile.js
+++ b/mobile/app/mobile.js
@@ -441,17 +441,23 @@ pref("app.privacyURL", "https://www.mozi
 pref("app.creditsURL", "http://www.mozilla.com/%LOCALE%/mobile/credits/");
 #if MOZ_UPDATE_CHANNEL == beta
 pref("app.featuresURL", "http://www.mozilla.com/%LOCALE%/mobile/beta/features/");
 pref("app.faqURL", "http://www.mozilla.com/%LOCALE%/mobile/beta/faq/");
 #else
 pref("app.featuresURL", "http://www.mozilla.com/%LOCALE%/mobile/features/");
 pref("app.faqURL", "http://www.mozilla.com/%LOCALE%/mobile/faq/");
 #endif
+
+pref("app.promo.spark.baseURL", "http://spark.mozilla.org");
+#ifdef MOZ_OFFICIAL_BRANDING
+pref("app.promo.spark.endDate", "2011-04-31");
+#else
 pref("app.promo.spark.endDate", "2011-01-01");
+#endif
 
 // Name of alternate about: page for certificate errors (when undefined, defaults to about:neterror)
 pref("security.alternate_certificate_error_page", "certerror");
 
 pref("security.warn_viewing_mixed", false); // Warning is disabled.  See Bug 616712.
 
 // Override some named colors to avoid inverse OS themes
 pref("ui.-moz-dialog", "#efebe7");

--- a/mobile/chrome/content/aboutHome.xhtml
+++ b/mobile/chrome/content/aboutHome.xhtml
@@ -82,17 +82,17 @@
         <img src="chrome://browser/skin/images/throbber.png"/>
       </div>
     </div>
 
     <div id="footer-wrapper">
       <span id="feedback" style="width: &aboutHome.footerWidth;" class="section-row" pref="app.feedbackURL" onclick="openLink(this);" role="button">&aboutHome.giveFeedback;</span><span id="support" style="width: &aboutHome.footerWidth;" class="section-row" pref="app.support.baseURL" onclick="openLink(this);" role="button">&aboutHome.getHelp;</span>
     </div>
 
-    <div id="promo"><img src="chrome://branding/content/spark.png"/><span id="promo-label">&aboutHome.promoLabel;</span><span id="promo-button" class="section-row">&aboutHome.promoButton;</span></div>
+    <div id="promo" pref="app.promo.spark.baseURL" onclick="openLink(this);" role="button"><img src="chrome://branding/content/spark.png"/><span id="promo-label">&aboutHome.promoLabel;</span><span id="promo-button" class="section-row">&aboutHome.promoButton;</span></div>
   </div>
 
   <!-- l10n hack -->
   <div style="display: none">
     <span id="text-openalltabs">&aboutHome.openAllTabs;</span>
     <span id="text-notabs">&aboutHome.noTabs;</span>
     <span id="text-noaddons">&aboutHome.noAddons;</span>
   </div>

--- a/mobile/themes/core/aboutHome.css
+++ b/mobile/themes/core/aboutHome.css
@@ -205,16 +205,17 @@ body[dir="rtl"] {
 
 .loading > img {
   display: block;
   margin: 0 auto;
 }
 
 .no-items {
   text-align: center;
+  -moz-margin-start: 0 !important;
 }
 
 #footer-wrapper {
   font-size: 18px;
   margin-top: 24px;
   text-align: center;
 }