add guide for StreetComplete from the staging site (written by Micheal)

_posts/en/0900-12-06-streetcomplete_en.md

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+---
+layout: doc
+title: StreetComplete
+permalink: /en/mobile-mapping/streetcomplete/
+lang: en
+category: mobile-mapping
+---
+
+StreetComplete
+==============
+
+
+**StreetComplete** is an easy to use OpenStreetMap editor for Android phones and tablets, used for mapping in the field mainly by completing the available "quests" that appear as pins on a map.
+
+The app is made specifically for casual contributors and beginners as no prior knowledge about OpenStreetMap (such as tagging schemes) is required to contribute using the app.
+
+You can download it from Google Play Store, Amazon or F-Droid. Release and beta APKs of the app are also available from its GitHub repository.
+
+The app displays places where data can be added to OpenStreetMap through the app as quest pins on a map. This app lists all question types available in a particular place depending on the already available data on OpenStreetMap.
+
+**Adding Data to OpenStreetMap Using StreetComplete**
+
+1.  The contributor needs an OpenStreetMap account before making any contributions using this app like any other app used to contribute to OpenStreetMap.
+2.  Displays and Welcome Pages
+
+![Welcome][]
+
+3.  When you click "LET’S GO!" you have to allow StreetComplete to access this device’s location.
+
+![Allow][]
+
+4.  Click on the three lines at the top right corner, then click on My Profile and then Login with your OpenStreetMap account.
+
+![Menu+Login][]
+![Login][]
+
+What are quests? Quests are simply points or places that have been identified as having missing data and are available depending on location.
+
+The questions asked depend on the missing information and the feature whose information is missing 
+
+![Building quest][]
+
+For example, for buildings, one could be asked about ***How many levels above the basement does this building have?*** or ***What kind of building is this?***
+
+For roads, ***What surface does this piece of road have?***
+
+![More quests][]
+
+To fill in some of this information, you need to either have prior knowledge about the building, place or be close enough to be able to answer the questions being asked.
+
+
+
+[Welcome]:          /images/mobile-mapping/streetcomplete-welcome.png
+[Allow]:            /images/mobile-mapping/streetcomplete-allow.png
+[Menu+Login]:       /images/mobile-mapping/streetcomplete-menu_login.png
+[Login]:            /images/mobile-mapping/streetcomplete-login.png
+[Building quest]:   /images/mobile-mapping/streetcomplete-building-quest.png
+[More quests]:      /images/mobile-mapping/streetcomplete-more-quests.png