Know automatically if the user gets it right. (Currently, the user must score himself by clicking the “Right” or “Wrong” button.

Use the microphone, compare user's speech input, and decide whether it's right or wrong.

Let the user type in the answer, and do a text string compare to see if it is correct.

Reading, writing, listening, speaking.

User can input by typing, drawing, or speaking.

1. typing - string compare
2. drawing - AI pattern matching of pen strokes
3. speaking - use microphone and Web Speech API to convert input to text, then to a string compare