Can I upload photos from the built-in camera on my iPad?
Currently, No.
JSPuzzles cannot use the built-in camera.

During the game, there is a delay before playing the "click" sound.
This is a problem with iPad's Safari browser, we hope it will get fixed on future versions of the browser.

Can I play the game full screen?
Yes, please follow the instructions on this page:
How to add JSPuzzles to your iPad's home screen?