The application created is a simple number calculation app. Essentially, the user can enter 2 numbers and choose an operation to perform on the numbers. When the user clicks the button, the form will be submitted and memcache will log that user's input and the time it happened. After 10 submissions the cache will clear and then refill. The page also displays stats for the app.
The 2 app engine web services that are utilized in this application include: memcache, webapp, and stats.