PSD2 is merely a framework for an uniform access to banking, same APIs everywhere. While you can send money through it, it's still through the same means as normal.
Many of the european countries have their own "Pix", but there's no European-wide alternative. The ECB wants to make one (tentatively titled "digital euro"), but it's going to take a long time to come out.
Yes but this is merely an abstraction of SEPA Instant transfers to not have to write an IBAN when sending money.
The issue to solve is payments, Portugal for instance has its Multibanco payment scheme, but it's only used in Portugal.
I assume eventually it'll be cobranded with Wero like it happened to Netherlands' iDEAL and eventually fully replaced.
Many of the european countries have their own "Pix", but there's no European-wide alternative. The ECB wants to make one (tentatively titled "digital euro"), but it's going to take a long time to come out.