This leads to a crash. 100% reproducable.
Follow the steps and see if your pad crashes too.
1) open AP
2) on homescreen: tap and hold one entry in the home screen (they start shaking and floating, you know)
3) tap on the plus icon (right upper corner)
4) the floating photo will be transported to the upcoming screen.
5) go back (the floating tile is set and still there)
6) tap AND hold
7) crash!!!!