A very simple application similar to Fish Fingers 3D ([url removed, login to view]!-3d-interactive/id348124237?mt=8 ).
Objective: drop a coin into a treasure chest and win more coins.
A user drops a coin above the water level - the coin hits the water and starts to fall to the bottom toward the treasure chest. The user can tip his iPhone to help guide the coin in. - There's also a couple of fish swimming back and forth that might get in the way of the coin dropping.
The user gets two coins. After he drops them they click start again and they get 2 more coins.