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