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.

Nowadays, using e-book in the music lesson can become more interactive because of the new piano component. You can find the piano component...

Extend Sentence is one of the Language question type. According to your question, you can set the fonts, fonts size, fonts color and display...

Line Chart is a type of chart displayed the trend of data in which each data point is connected by straight line segments. It can display co...

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...

Compass can be used as a graphic or a real compass (your device must support this feature). You can set the language of the text (Chinese an...

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