In September, 2014 I solved a challenge for selection of GopherConIndia 2015 scholars, I had to create a web based application for showing Weather updates for 5 cities concurrently.
P.S. I did got selected as a Student Scholar.
To run locally, install Google Cloud Go App Engine SDK and then run:
$ dev_appserver.py app.yaml
$ gcloud app deploy app.yaml
Created by Yash Raj Singh