What functions does it have and how does it work

There are tons of fabulous functions in the WeChat app, such as:

• Video Call--you can call your friends and have a video chat with them.
• Voice Chat--the voice mail can be sent through the data usage.
• Web Wechat--you can log in your WeChat account through a website.
• Emoticons--a lot of cute emoticons can be used while you are texting.
• Group Chat--you can create a group by adding several friends' account into the group.
• Shake--you can find new friends who are near to you by shaking your phone through WeChat.
• Look Around--you can see whoever around you and make friends with them.
• Drift Bottle--you can send your with by using this.
• Facebook Conncet--you can log in WeChat using your 
  

Apps

As if it’s not rare enough to see a Chinese social service expand overseas, WeChat is aiming to do it by being identical for Chinese and overseas users. WeChat is emphasizing – as Tencent itself has been doing in recent years – that’s it’s an open platform. Justin stresses, “We must be connected and open to Facebook, Twitter ad Instagram. We must have the same strategy as them – we’re open.”WeChat does this with plug-ins, sort of like web browsers have add-ons. So WeChat’s Facebook integration is an option for you to actually use, or leave untouched, or uninstall the plug-in altogether

More Features

4.Group Chat
We can also use Wechat to have group discussions. First, we can open "Chats" window and select the wand button at top right corner. Second, we can select contacts whom we would like to join the group chat. We can also add more friends to the group chat latter. It is a very convenient method to discuss together without face to face.
5.Shake
We can use Wechat to make friends with people we don't know. Shaking can help us get to know people. It needs to access our location data. To use shaking application, we should have both enabled location services from iphone's setting menu and that Wechat will be granted permission in the location services sub-menu. Then we can shake our phones to find people shaking their phones as well. We can choose someone from "people found" and send greetings to make friends. It is a very interesting applications.
6 Look Around
Look around is just like shaking, we can select "Social" and click "Look Around" to find people using WeChat with Look Around enabled nearby. Then we can choose one and "Send Greeting" to make friends.Look Around needs to access your location data. Therefore,please make sure you have both enabled Location Services from your iPhone’s Settings menu and that WeChat has been granted permission in the Location Services sub-menu

Features 2

3.Moment
We can share our moments with our friends. We can select "Social" and click "Moments", then press "Camera" button to share photos with our friends. We can show to them where we are and what we are doing. We can set the visibility of photos we are sharing and call people whom we'd like to alert to our posts. We can also show that whether we like our friends' photos and comment on the photos or just tap on a comment to reply directly to it.If we want to view our moments more clearly,

Features

1 Video Call
Video Call is available on WeChat versions 4.2 and later, allowing you to talk to your friends face to face.In the chat window, press "+" and select "Video Call". If your friend has not sent you a message in the past 10 minutes, you need to send them an invite message and get a response in order to call them. Select "Video Call" again in the chat window. Your friend will see the following window and can tap Accept to start. You can switch between Video and Audio modes during the call.

2.Voice Chat
Voice chat is the most popular used application of Wechat. It is a convenient way to send messages without typing in words. We can just hold "Hold to Talk" button to start recording a voice message. Then press "Release" button to send. While still holding down, we can also move our fingers up to the X button to discard and not send the voice message we are recording.

Introduction my we chat

WeChat is a mobile phone text and voice messaging communication service. It is developed by Tencent in China.
Languages supported include English, simplified Chinese, Indonesian, Portuguese, Thai, Vietnamese and Russian. WeChat is supported on Wi-Fi, 3G, and 4G data networks. Registration can be done via Facebook, mobile phone SMS or Tencent QQ. WeChat is closely connected with QQ which is widely used in China. People who use QQ can contact with people who use WeChat