You have chosen to sponsor your bid up to a maximum amount of .
The mobile app should let users:
1) Login with facebook
2) Display a map with disco and pubs near you offering some special coupons. Available coupons should be downloaded from an existing database.
3) Display details of the coupon and possibly activate it.
The app should be downloaded only from people who have subcribed our association, so we should implement some mechanism to avoid anyone to download the application.