Given the rabid nature of most of their fan base, professional football teams were among the first organizations to see the value of developing mobile applications to get closer to those fans. The problem for most teams now is the stadium WiFi experience they provide to their most loyal fans leaves much to be desired.
On the Amazon cloud you could create many options for running databases in the cloud. A brief look at "Running databases on AWS" suggests comprehensive cloud as a database service resourcesoffered by Amazon. While Amazon RDS offers you the choice of MySQL, Oracle or SQL Server, Amazon DynamoDB offers you NoSQL storage while Amazon SimpleDB offers schemaless database.