If you are having issues with the app, I recommend using Google Chrome. The game was optimized for Chrome.

Moving a coin:
Click and hold down the left mouse button over the coin/bill. Now drag the coin/bill onto the treasure map.

Checking your amount:
Click the "Check Amount" button at the bottom of the right corner of the game

Changing the difficulty:
Click the "Settings" button at the top right corner of the game. This will allow you to change the difficulty of the game

Questions/Support can be found at http://www.allfunapps.com/support.htm