Write each character on its tile and watch its meaning paint itself into the picture. Five characters make a painting. Paintings fade over the days; write them again to bring the colour back.
No sound? On iPhone and iPad, silent mode (the bell with a line through it) mutes the bells and the read-aloud voice. Turn silent mode off with the switch on the side, or with the bell in Control Center.
Stroke data from Make Me a Hanzi and Hanzi Writer, under the Arphic Public License.