That you can not close the Facebook or Twitter popup, is nonsense. In the upper right corner of the pop-ups a x is to close the window.
It's okay, but unfortunately nothing special. Who Hidden Object like how I come to his cost. Since it was the day for nothing, I'm looking forward even more, but there are better Wimmelbildchenspiele.
I play it on NEN Nexus 7 (the information) and the game runs so far stable.