What is Salesforce DreamHouse Sample App for?

Hello Anurag,

DreamHouse is a sample application that demonstrates the unique value proposition of the Salesforce App Cloud for building Employee Productivity and Customer Engagement apps.

Whether you get hundreds or millions of hits per day, App Cloud provides the deployment option that fits your needs and allows you to scale precisely to meet demand. For example, the DreamHouse sample application can be deployed using different deployment models: Force.com or Force.com + Heroku.

For more information , you can refer the following link:

http://www.dreamhouseapp.io/

Thanks.