Green Ninja: Year of the Frog is a free puzzle game developed by Nitrome for Android 9.0. It offers a unique Kung Fu turn-based action puzzler that will keep you engaged for hours. The game has a simple storyline where you are a frog on the menu of evil ninjas and you must escape and take revenge using your unstoppable kick.

The game features easy small puzzles that eventually lead up to brain-melting challenges, with optional challenges in case you get stuck. The controls are super simple, where you only need to swipe left, right, and up to move around. The game also boasts cutting-edge pixel graphics that make it visually appealing.

It's important to note that the game includes direct links to social networking websites that are intended for an audience over the age of 13, direct links to the internet that can take players away from the game with the potential to browse any web page, in-app purchases, and advertising of Nitrome products.

Overall, Green Ninja: Year of the Frog is an excellent game for puzzle lovers who enjoy a unique twist on traditional puzzle games.