WeChat is an instant messaging application developed by Tencent. This application lets you chat with your friends all across the world.
With WeChat, you can instantly send messages to friends using an Android or iOS device. Users can chat by sending text messages or calling them. Those looking to communicate together in groups can use the Group Live Chat feature to talk with up to 100 people at once.
Along with being able to chat with your friends, you can play games with them. The recently-added WeChat games let you compete with your friends in various games like Pencil Pilot. You'll even be able to earn achievements which you can share with your friends.
Overall, WeChat is a robust communication application that's worth using whether you're looking to play games with your friends or just chat with them.