to see the streets and points of interest in the maps from Google, displays the standard unremarkable yellow little man in the corner of the screen.
Here is the easter egg and hid in this element, when viewing Buckingham Palace on the map. The value of the map scale is 50m.
In this position, the little man icon is replaced with a miniature of Elizabeth II, who is the Queen of Great Britain.
An example of a miniature and its real appearance can be seen in the screenshot.