Go To SettingsHow do you switch accounts on COC?
Open up the game. The account associated with your Google account or Game Center will load. Open Settings and tap the button under the heading “Supercell ID.” Then select “Register New.”
Can you have two Clash of Clans accounts on the same device?
yes you can have 2 clash of clan account on one android phone.
How many Clash of Clans accounts can I have?
When you are logged on to a device and have any Supercell game installed, you can link up to 50 email addresses or Supercell IDs on that installation or user account.
How do I change my email account on Clash of Clans?
Go To help and support first on settings. Than Tell The Reason why you want to change the email id . they will verify your account , than that will send you a link code. just open a new base with gmail id & link that code.