How to get rose on Oasis Sapphire?

Could you elaborate on the process of acquiring Rose tokens on Oasis Sapphire? I understand Oasis Sapphire is a blockchain network that supports various decentralized applications, but the specifics of acquiring Rose tokens remain unclear to me. What are the steps involved? Are there any specific exchanges or platforms that facilitate the purchase of Rose? Additionally, are there any prerequisites or requirements that need to be met before one can begin the acquisition process? Clarifying these points would greatly assist me in navigating the Oasis Sapphire ecosystem and acquiring Rose tokens efficiently.