It fetches free credit/debit card offers near you and shows nearest offers at the top. So if you are going for a party or meal with friends, you can check if any card you guys have that can cut around 15% on the bill - Easy peasy - No string attached 
Currently I have data for my country (India) only. If people find this useful I can add data for more countries in future.
I have started my blog on medium too.
Feedback is welcome