The UI is gone with a new store update that we just received only on our Lumia 540. It is either A/B testing or somehow it seems the app can support both UIs. Anyways it is gone for now!!
Today we had reported a minor Windows 10 Mobile Store update that
Windows 10 Mobile Photos app has seen a major UI overhaul with the latest update. The Hamburger Menu is out and Pivot Menu is back. Another important change is that the Pivot has moved to bottom in order to make it easier to reach to the menu. So, here is
Android apps support on Windows Phones and Hamburger menus: These two have been discussed and ridiculed a lot by hard-core Windows Phone fans. But if a recent AMA of a ex-Microsoft design lead and now a Twitter employee has to be taken into account both are here to stay or Windows