Board Thread:Questions and Answers/@comment-31987127-20170607073855/@comment-29588340-20170607085722

It's impossible to use that 'same account' on different devices. For example, like when your main account is on device A and you plan to transfer that account on device B, the account can be transferred on device B but the existing (main) acount in device A is also lost (or maybe unplayable).