This is a sundial app.
This application will calculate the time using the sun elevation and latitude, longitude and date. (This is a joke app. The calculation of this application is not always correct.)
-- How to use --
1. Start this application at the place with shadow.
2. Reflecting on the center of the shadow of the iPhone.
3. Tap to fix the screen. Check the time displayed.
*** This application requests the camera. ***
-- demonstration video --