RainbowOne / RainbowStar Developer Blog

written by:

Mr. Cheung Wai Hung

Founder and CEO

Open Knowledge Association Ltd.

A Non-profit organization in Hong Kong using IT to help the underprivileged.

For "Aqua Trail", you need to select the answer and then the fishermen will throw the fishing net to the selected answer to determine whethe...

For "Polar Bear", you need to move the polar bear to an igloo with your answer. Then, a penguin will welcome you if your answer is correct o...

Students love games the most! Lessons become more interactive because of the new game component. If your game is divided as different levels...

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