Do you know Weixin?

There is a chat software which called Winxin, is very popular in China, most of young people have installed this software in their mobile phone. In this way, they can chat with friends anytime because people usually keep mobile phone around. With this software, you can sent text or voice message to your friend, you can set up a friend zoon, which involve some of your good friends and discuss something together, you can write some words or upload some pics, share with your friends and get some comments from them, you can even search for some guys who use Weinxin also nearby you.

Dose this software widely used in other countries?

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Do you know of/about Weixin?

There is a chat software (which is) called Weixin, and is very popular in China. Most young people have installed this software on their mobile phone. Through this, they can chat with friends anytime because people usually keep their mobile phone around. With this software, you can send text or voice message to your friend; you can set up a friend room(?), which involves you and some of your goodfrinds discussing something together; you can write words or upload pictures, share them with your friends and get commets from them; and you can even search for some other people who use Weixin nearby you.

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The above is acceptable, where I did not change much of your formatting. This is what it should say:

Have you heard of Weixin?

There is a very popular messaging app in China called Weixin. Many young people have this mobile app. With Weixin, you can keep in touch with your friends any time of the day! You can text or voice message your friends, set up a chat room with multiple friends to discuss whatever you want, and share your thoughts and pictures on a wall for your friends to comment. You can even search for other users of Weixin nearby you!