Whether you want to pay your respects or understand more about the history of the building, St. Pauls Catholic Church is a worthwhile site to visit. Check to see if this holy place is publicly accessible to experience the calmness inside.
If you're trying to figure out what to do after visiting St. Paul's Catholic Church in Maua, you have loads of choice. Head over to Maua Market. It's conveniently near the house of prayer and will give you more insight into what this area is all about.