Update manual for Android device

README.rst

@@ -265,6 +265,7 @@ Start Termux on your device and enter:
     $ apt update
     $ apt upgrade
     $ apt install clang python python-dev
+    $ pip install bottle
     $ pip install glances
 
 And start Glances:
@@ -273,6 +274,9 @@ And start Glances:
 
     $ glances
 
+You can also run Glances in server mode (-s or -w) in order to remotely
+monitor your Android device.
+
 Source
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