jm òjhéÞÆë22jv*ðøQÑlxyå_ZÇí·LI think most SLP wallets support minting additional tokens. Surprisingly not many people have asked for it on Memo so it hasn't been a priority.
https://whatsonchain.com/tx/5809381b9c15af08138e833f2aee6e60a5cfdd131c30752dd6f685b6a5cf2f44