Find as many words as you can against the clock, and solve arithmetic problems within the time limit. Not sure what the word you found means? If you have a network connection, be it WiFi or Cellular, Alpha Numeric will look up the definition.
Wondering what the best word you could have found was? Alpha Numeric will tell you, and will show you the definition if it can find one.
The age rating is due to the theoretical possibility of such words being displayed, even though it is unlikely.