No, Dreemport is Hive adjacent but not within the blockchain. So you need to create a normal application id there. Dreemport helps curate posts from anywhere not just Hive, but it is mostly used by Hiveians :)
It does have connection to Keychain. So when you do transactions there with these cards and NFTs that is written into the Hive Blockchain. You can get better answers from the experts over on the site or on Discord :)
RE: Mint some Dreemport Season 2 cards to spice up your team's inventory