Some screenshots of the app can be found
here
Application Features
1. Detailed Spending data including spending numbers, trends, pie charts, line graphs, top purchases, top contractors.
2. Spending data for specific Departments (e.g. Defense Department, Education Department, NASA etc.)
3. Historical data (upto 2000) and current data (upto 2010) with continuous updates
The app will help the involved citizen who wants to hold government accountable for spending decisions and it will also help the casual user understand what the government is spending money on.