It hasn't been rolled out to brick and mortar yet. This is planned in Q4 2026. ( And yes: they have planned much lower fees than visa/MasterCard and simpler P.O.S setups where existing hardware could be used).
The EPI (European Payment Initiative , a grouping of 16 European banks and financial institutions) is deliberately doing a slow launch though the tech behind it is all set up.
They don't want to F-up with people's money.