Language: This is talking about the Liker Land web language preference and is not going to alter your Liker Land mobile app setting (You may refer to the mobile app setup)
Liker ID: Redirect to Like.co setting page. User can set up his/her Liker ID avatar, social media logins, etc. Read this for more details:
Click and logout Liker Land. If you want to login with another Liker ID, you have to log out completely from the Liker Land web, otherwise you will be bounced back to the previous Liker ID during your next login attempt.