The concept is fairly simple but brilliant. A hungry fish floats about the screen while plants (or what look like plants to me) bubble numbers (bubbles with numbers in them). You join the bubbles together so that they match what the fish is hungry for (it is displayed on the body of the fish). The fish will come over and eat the bubbles. The more he eats the bigger the fish gets.
The game is as entertaining as some of the most popular games on Android or Iphone, but with an educational twist. The action can also get frantic, especially for those that are not that finger nimble.
Although technically a kid game, other people could enjoy it. Adults can brush up on their math facts and improve their reflexes.
The app is only available on the Apple App Store for free (it requires in app purchases to unlock subtraction, negatives and others math functions).