android: add working run script

README.adoc

@@ -11434,7 +11434,9 @@ Big new features that are not yet working.
 
 Remember: Android AOSP is a huge undocumented piece of bloatware. It's integration into this repo will likely never be super good.
 
-https://stackoverflow.com/questions/1809774/how-to-compile-the-android-aosp-kernel-and-test-it-with-the-android-emulator/48310014#48310014
+Verbose setup description: https://stackoverflow.com/questions/1809774/how-to-compile-the-android-aosp-kernel-and-test-it-with-the-android-emulator/48310014#48310014
+
+Download, build and run with the prebuilt AOSP QEMU emulator and the AOSP kernel:
 
 ....
 ./build-android \
@@ -11443,14 +11445,20 @@ https://stackoverflow.com/questions/1809774/how-to-compile-the-android-aosp-kern
   download \
   build \
 ;
-./run \
+./run-android \
   --android-base-dir /path/to/your/hd \
   --android-version 8.1.0_r60 \
-  --kvm \
 ;
 ....
 
-TODO hack the kernel and rebuild, hack userland and see message.
+Sources:
+
+* link:build-android[]
+* link:run-android[]
+
+TODO how to hack the AOSP kernel, userland and emulator?
+
+Other archs work as well as usual with `--arch` parameter. However, running in non-x86 is very slow due to the lack of KVM.
 
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