diff --git a/.gitignore b/.gitignore
index c71df785ab..19fb384003 100644
--- a/.gitignore
+++ b/.gitignore
@@ -54,6 +54,7 @@ deps/icu*.zip
 deps/icu*.tgz
 deps/icu-tmp
 ./node_modules
+android-toolchain/
 .svn/
 
 # generated by gyp on Windows
diff --git a/README.md b/README.md
index 5608a502e4..e3076ef4f2 100644
--- a/README.md
+++ b/README.md
@@ -140,6 +140,17 @@ To run the tests:
 > vcbuild test
 ```
 
+### Android / Android based devices, aka. Firefox OS
+
+Be sure you have downloaded and extracted [Android NDK]
+(https://developer.android.com/tools/sdk/ndk/index.html)
+before in a folder. Then run:
+
+```
+$ ./android-configure /path/to/your/android-ndk
+$ make
+```
+
 ### `Intl` (ECMA-402) support:
 
 [Intl](https://github.com/joyent/node/wiki/Intl) support is not
diff --git a/android-configure b/android-configure
index b3145e5838..af47aa3a7d 100755
--- a/android-configure
+++ b/android-configure
@@ -3,15 +3,15 @@
 export TOOLCHAIN=$PWD/android-toolchain
 mkdir -p $TOOLCHAIN
 $1/build/tools/make-standalone-toolchain.sh \
-    --toolchain=arm-linux-androideabi-4.7 \
+    --toolchain=arm-linux-androideabi-4.9 \
     --arch=arm \
     --install-dir=$TOOLCHAIN \
     --platform=android-9
 export PATH=$TOOLCHAIN/bin:$PATH
-export AR=arm-linux-androideabi-ar
-export CC=arm-linux-androideabi-gcc
-export CXX=arm-linux-androideabi-g++
-export LINK=arm-linux-androideabi-g++
+export AR=$TOOLCHAIN/bin/arm-linux-androideabi-ar
+export CC=$TOOLCHAIN/bin/arm-linux-androideabi-gcc
+export CXX=$TOOLCHAIN/bin/arm-linux-androideabi-g++
+export LINK=$TOOLCHAIN/bin/arm-linux-androideabi-g++
 
 ./configure \
     --dest-cpu=arm \
diff --git a/configure b/configure
index 6ee9b99a41..8a3298d65f 100755
--- a/configure
+++ b/configure
@@ -431,7 +431,8 @@ def is_arch_armv7():
   return ('__ARM_ARCH_7__' in cc_macros_cache or
           '__ARM_ARCH_7A__' in cc_macros_cache or
           '__ARM_ARCH_7R__' in cc_macros_cache or
-          '__ARM_ARCH_7M__' in cc_macros_cache)
+          '__ARM_ARCH_7M__' in cc_macros_cache or
+          '__ARM_ARCH_7S__' in cc_macros_cache)
 
 
 def is_arch_armv6():
@@ -508,6 +509,10 @@ def configure_arm(o):
   o['variables']['arm_thumb'] = 0      # -marm
   o['variables']['arm_float_abi'] = arm_float_abi
 
+  if options.dest_os == 'android':
+    o['variables']['arm_fpu'] = 'vfpv3'
+    o['variables']['arm_version'] = '7'
+
   # Print warning when snapshot is enabled and building on armv6
   if is_arch_armv6() and options.with_snapshot:
     warn('when building on ARMv6, don\'t use --with-snapshot')