- There is an introductory screen that explains the test
- When the user starts the test, the screen will turn red
- A random number is fetched using the random.org API, and the app waits for as many seconds
- The screen turns green
- The user taps a button as quickly as possible
- If the user taps the button before the screen turns green, the round is invalid
- After five valid rounds, the app displays the result and offers to restart the test