1. Tap on any box to open the keyboard and fill the box by typing the desired letter.
2. The clue for the selected box appears above the Crossword.
3. Tap on a box once to answer the 'Across' word, tap on the box twice to answer the 'Down' word.
4. If you want to know the correct answer for the selected box, you can tap on the Reveal word button to display the entire word or you can tap the Reveal letter button to display only the letter in the selected box.
5. In case you want to delete a letter from a box, tap the box and then press the backspace key on your keyboard. To clear the entire word, select the box and then tap on the Clear word button.
6. Tapping on check will highlight all the boxes that have a wrong letter.
7. Tapping on the Clear button will wipe the entire crossword clean, so that you can start afresh.