Update README.md

literacyapp · web-flow · commit 77aaa82d4bcf · 2017-06-20T03:54:28.000+02:00
diff --git a/README.md b/README.md
@@ -3,3 +3,5 @@
 Game for learning letter sounds.
 
 ![screenshot_20170605-180415](https://cloud.githubusercontent.com/assets/15718174/26791495/91e7e628-4a17-11e7-9fb7-d75464cb1f6b.png)
+
+See demo at https://www.youtube.com/watch?v=lVHYGGU7WbI
