I need a Clone for a eshop

I need a clone for this shop: http://www.sendthetrend.com/main

The main differences from ordinary eshops are:
1)- customers are able to kind of make a mini-store by selectings items from the shop and sharing via social media. If an item is bought from their mini-store, they get a reward.

2) Customers are rewarded for sharing on social media by liking, tweeting,sharing, commenting and sending to a friend via email

Apps for fulfilling NO.2 are plenty, but No. 1 is the main aspect that I cannot find anywhere. Please ask me as many questions as you can.

I am quoting a very low figure as I can get an eshop template with no 2 aspects, and all you need to install is the No. 1. But if one is happy to do the whole shop then comfortable with that as well.