Tap the big, green add button. Tap the drawing pencil. Trace the grey letters. Write the letters in the blanks. Write your best capital and lowercase letter on the two lines at the bottom. Tap the green check to post your work.
My practice writing capital "D" and lowercase "d."
A stylus is recommended, but not necessary. Bonus: Have the students tap the record button as they write the best capital and lowercase letter on the bottom lines. This will show how they approach the creation of the letters and if they are following proper order and form.