Currently, the only way to refresh the app is to:
-
Press the home button of the iPhone (where is the home button? See image below)
-
Press your mobile app icon. (This is the icon you created when you added it to your home screen of the iPhone)
Result:
These actions will cause the app to reload the last page you visited along with any recent browsing history (currently the mobile app saves the last 10 pages visited).