Kiwi Lights 2.0
I built this cute flashlight app for my daughter when she was four years old to overcome her fear of the dark. The first version of the flashlight had a problem with the placement of the light switch. When the light is on, the screen is completely white so the button is hidden. People thought it was broken because they couldn't find the button to turn the light back on. In subsequent updates, I replaced the button with a sliding sun that turns into a moon in the night scene and switch characters by swiping left or right.
Here are all the characters available in the app.