Play a prize game Server-authoritative instant-win play (KAN-307): the server decides win/lose and the prize with a crypto-grade RNG, enforces the per-guest play limit and prize inventory, records the audited play with its odds snapshot, and on a win issues the prize into the guest's My Prizes via the existing Prize (Advertisement Credit) scan path. Requires the OTP-verified phone token; carries NO payment surface of any kind (plays are always free).