Can we conduct ICO of pre-mined cryptocurrency on the draglet ICO platform?

Yes, this is subject to the compatibility of the cryptocurrency with the draglet platform. If the cryptocurrency is not compatible we can add support for this cryptocurrency as a customization.

Does multicurrency funding include payment processing for Fiat currencies?

The implementation of payment processing is a separate business case and can be done as a customization request.

Can the user accounts on the ICO platform work on the exchange platform?

This depends upon how we choose to implement the exchange and the ICO. If the exchange is setup after the ICO ends, then we can use the ICO user accounts database to setup the exchange.