Improvements to faq/map page

Signed-off-by: S. Kozyr <s.trump@gmail.com>

content/faq/map.md

@@ -14,13 +14,20 @@ You can do a lot of thing in the app using long tap:
 - Copy place details such as name, address, links, coordinates, etc
 - Add route points
 
+Try long tap in OrganicMaps to discover hidden features.
+
 ### How to get map legend?
 
+<img src="/images/faq/faq-map-legend.jpg" width="400px"/>
+
 Use long tap on unknown object to get it's type and name.
+You will see road type or forest kind in lower panel.
+By the way you use search to find all objects of such kind.
 
 ### How to maximize map?
 
 Perform single tap on empty space to hide map interface and get fullscreen map.
+Tap on the map again to get UI back.
 
 ### What gestures OrganicMaps supports?
 
@@ -28,21 +35,34 @@ Perform single tap on empty space to hide map interface and get fullscreen map.
 
 Use double tap to zoom in.
 
+You can rotate, pan and zoom map with two fingers.
+
 ### How to zoom in/zoom out with one hand?
 
+<video width="300px" controls>
+  <source src="/images/faq/faq-map-one-finger-zoom-Mauritius.mp4" type="video/mp4"/>
+  Your browser does not support the video tag.
+</video>
+
 Tap twice on the screen and on the second tap just slide your finger up and down to zoom in and zoom out respectively.
 
 This gesture works on Android and iOS and not only in OrganicMaps.
 
-### How to get my coordinates, speed and altitude?
+### How to get my coordinates, speed, and altitude?
+
+<img src="/images/faq/faq-map-my-position.jpg" width="400px"/>
 
 Tap on a blue arrow indicating you position to see your GPS coordinates, speed, and height above mean sea level.
+Use long tap to copy those values or push share button to give you coordinates to friends.
 
-### What does blue circle around my position mean?
+### What does gray circle around my position mean?
 
-GPS sensors have accuracy rate. Blue circle indicates this accuracy. It means that your actual position is somewhere inside this circle.
-Accuracy becomes worse inside building, near constructions of steal or radiation sources.
+<img src="/images/faq/faq-map-grey-circle.jpg" width="400px"/>
+
+GPS sensors have accuracy rate. Gray circle indicates this accuracy. It means that your actual position is somewhere inside this circle.
+Accuracy degrade inside buildings, near constructions of steal or radiation sources.
 To improve GPS precision go outside to be under clear sky.
+Enabling [Google Location Accuracy](https://support.google.com/maps/answer/2839911?co=GENIE.Platform%3DAndroid) on Android improves precision significantly.
 
 ### Нажатие на маленькую синюю стрелку направления в PP показывает диалог направления на выбранный объект.