WhatsApp is slightly different than most of the websites that are blocked in China since it is primarily accessed on a mobile device.
Technical issues and any kind of problems that you face will be taken care of over phone calls in a swift and effective manner.
Paying to get a date can most of the times be risky as you cannot be sure if you are really going to get a match.
Because the chinese government can access your wechat password then do other things with it if you use the same password for other things in your life.
Talk to asian, european, american and other people on video chat.
All you need is a computer or a smartphone browser with Internet access.