I just got the account opened and verified in less than 30min.
For the moment international transfers need to be done one paper by a signed form, but they said they will add the functionality soon on the app.
Most banks will open on a 6 months extension.
Did you try to do it with 6 months or 12 months?
Could you clarify which banks would open the account with only a tenancy agreement and a tourist visa?
I don't think it's possible even if they claim to be able to do it.
Anyways the person supervising the exam will tell you the answers to all questions if you ask him. In the driving test, they let you do it unlimited times until you get it right.