Restrucuture documentation to smaller parts

docs/users/index.md

@@ -1,8 +1,10 @@
 ---
-title: Using BRouter
+has_children: true
 nav_order: 3
 ---
 
+# Using BRouter
+
 ## Online
 
 Check [brouter-web](https://brouter.de/brouter-web/) or
@@ -10,30 +12,8 @@ Check [brouter-web](https://brouter.de/brouter-web/) or
 
 ## BRouter on Android
 
-You can install the BRouter app on your Android device from
-[F-Droid](https://f-droid.org/packages/btools.routingapp) or [Google Play
-Store](https://play.google.com/store/apps/details?id=btools.routingapp). Older
-versions are available in the [revision history](../revisions.md). You can find
-detailed documentation of the BRouter Android app in
-[`misc/readmes/readme.txt`](misc/readmes/readme.txt).
-
-### Android with Locus
-
-You can use BRouter as the offline routing engine for [Locus
-Map](https://www.locusmap.eu/) on your Android device. This is currently the
-most featureful and maintained solutions for using BRouter on your Android
-device.
-
-A full documentation on how to set this up is available in the [LocusMap user
-manual](https://docs.locusmap.eu/doku.php?id=manual:faq:how_to_navigate_offline).
-
-### Android with OsmAnd
-
-Alternatively, you can also use BRouter as the offline routing engine for
-[OsmAnd](https://osmand.net/) on your Android device.
-
-A full documentation on how to set this up is available in the [OsmAnd feature
-description](https://osmand.net/features/navigation-profiles#create_brouter).
+BRouter provides offline route calculation on Android. To get started with
+BRouter on Android see the [Quickstart](android_quickstart.md).
 
 ## Google group for support questions and feedback