In the Forgery Detection lab, scan all five pictures carefully (the game requires you to scan them all). The one with drawings underneath is the real one.
Later in the game, you will use the same device on a painting sent to you, using the same technique.
You collect the torn peices
it is a secret passageway.
You use it.
Counterfeit IslandNo, Counterfeit Island is real. In fact, it'd be better named as "Art Island".
there is no mansion on counterfeit island
You do not die on Counterfeit Island.
Once you get the key from the curator, go back to Counterfeit island and use it at the Inspector's house.
There is no camera as an item on Counterfeit Island.
You will have to swim for it : the lighthouse is on Big Nate Island, not Counterfeit Island.
you go back on counterfeit island
Yes. Counterfeit Island was the tenth, and Reality TV is the eleventh.
You use the key from the Curator to unlock the Inspector's house in the CountrySide.