(Caution: this FAQ will be valid after version update on 19/11.)
Login on desktop computer first
You must start from login to https://like.co/in/settings/ at your desktop computer by your MetaMask installed.
Click the link at the bottom of the login page to login by MetaMask
Bind the accounts for authentication
At the account setting page, click "Connect to your Google" ,"Connect to your Facebook" or "Connect to your Twitter", complete by authenticating, then you are done. You can now use those social media account to login your LikeCoin ID.
If you have linked those social media accounts before, please cancel the previous linkage, and bind to those accounts once again.