Updated README

README.md

@@ -1,13 +1,31 @@
 # Tilt Brush Toolkit
 
-## Overview
-
-The Tilt Brush Toolkit is a collection of scripts and assets that
-allow you to use [Tilt Brush](http://g.co/tiltbrush) data in your
-creative projects.
+The Tilt Brush Toolkit is a collection of scripts and assets that allow you to use [Tilt Brush](http://g.co/tiltbrush) data in your creative projects.
 
 ## Contents
 
+### Unity SDK
+
+![Unity SDK](https://lh5.googleusercontent.com/L9TPJtUAE8ZD5Y7855zUIWFfzQ7TAihRG6JPuBKzFpQ1DIJBNtQeMwjwzJFkZW_E5klxX47vaeOsO1c=w350)
+
+Scripts, shaders and tools for importing and manipulating Tilt Brush  sketches in [Unity](http://unity3d.com/)
+
+* Easily import sketches into Unity
+* Brush shaders and materials
+* Audio reactive features
+* Examples and reusable scripts to create animations and add interactivity
+
+**Click [here](/releases) to download the latest version of the Tilt Brush Unity SDK**
+
+Check out the [Documentation](https://docs.google.com/document/d/1YID89te9oDjinCkJ9R65bLZ3PpJk1W4S1SM2Ccc6-9w) to get started !
+
+![Unity SDK](http://i.imgur.com/VLWEkV6.png?1)
+
+![Unity SDK](http://i.imgur.com/UdJg4Tz.gif)
+
+### Command Line Tools
+Python scripts for advanced Tilt Brush data manipulation.
+
  * `bin` - command-line tools
    * `dump_tilt.py` - Sample code that uses the tiltbrush.tilt module to view raw Tilt Brush data.
    * `geometry_json_to_fbx.py` - Historical sample code that converts Tilt Brush .json exports to .fbx. This script is superseded by Tilt Brush native .fbx exports.