Update README.md

Author: android10

README.md

@@ -11,6 +11,18 @@ This is a sample app that is part of a blog post I have written about how to arc
 
 [Demo video of this sample](http://youtu.be/XSjV4sG3ni0)
 
+Clean architecture
+-----------------
+![http://fernandocejas.com/2015/07/18/architecting-android-the-evolution/](http://fernandocejas.com/wp-content/uploads/2014/09/clean_architecture1.png)
+
+Architectural approach
+-----------------
+![http://fernandocejas.com/2015/07/18/architecting-android-the-evolution/](http://fernandocejas.com/wp-content/uploads/2014/09/clean_architecture_android.png)
+
+Architectural reactive approach
+-----------------
+![http://fernandocejas.com/2015/07/18/architecting-android-the-evolution/](http://fernandocejas.com/wp-content/uploads/2015/07/clean_architecture_evolution.png)
+
 Local Development
 -----------------