The Coast app will re-released with PulseChain and $CST support soon. When it is, unlocked accounts will become unlocked. But some things will copy over from the Beta and some won't. Here is a brief breakdown:

Things that WILL copy over:

General Account

Login Information

Transaction History

Locked WAIT (on Ethereum)

Things that will NOT copy over:

KYC

Funding Methods

Connected Wallets