A phone number is what is required to register and start using WeChat to chat, share pictures and videos with friends whether they be on iOS, Android, Symbian and Windows Phone. WeChat for Windows Phone got new features added today including the ability to invite friends to WeChat group conversations via QR code. See the change log below for more.
1. Invite your friends to a WeChat group chat via QR code 2. Support sending multiple images 3. Navigate to your friend’s location 4. Easy to cancel voice messages sending 5. Click “+” to send screenshots quickly 6. Support setting font size on chat page 7. Support for Thai and Portuguese
Source: Windows Phone Store