The HAL ship is moored right where the slide was. That location has to do a short tender to the small boat marina. It has been this way since the slide
As I said when this was first reported it is a glitch in the system. I would have questioned getting something for nothing. Remember if it looks too good to be true it probably is
It will be confiscated at whatever port you bring it on board and you will have to claim it at disembarkation. There is no reason to buy on while on the cruise
Also be aware that the future cruise department is not part of Princess but a third party hired to run that department. I don’t trust them to get anything right. They totally lied to use about included plus packages and it took my CVP days to straighten it out
You can share the WiFi but if the first two have 1 device plans than you would need to trade off times when each is connected as it is one device at a time. The drinks, fitness classes, meals etc cannot be shared