Tap Hints to ask for hints (and view those already received).
If you know the answer
(or perhaps one word of answer)
enter it in the box above that looks like
For example, the answer to this "puzzle" is RESPONSE.
Type RESPONSE in the box.
(But this isn't much of a puzzle. This is just making sure that you know your way around.)
The scrawly drawing below is a button; tap it to see your progress through an "arc" (collection) of puzzles.