The ancient Hawaiians knew that what happens on land affects the ocean, so they used a system of land and sea stewardship involving the entire ahupua'a from land to sea. You can learn about the connection of land and sea by playing the game Reef Defender. The good guy in Reef Defender is the shark.
The app has been originally developed by NIC Inc. and it refers to the Arcade Games category. The most recent update of the game was released on Aug 10, 2019 and Reef Defender was downloaded by over 1K users. Google Play displays that this application is rated 4.3 by its users.
You are able to get the installation package of Reef Defender 1.1 free of charge and check out users' reviews on Droid Informer. The app requires Android 2.3.3 and above. This download is completely secure.