Is a PS4 port likely?
Eventually yes. They tend to port their games to multiple platforms after the PC release, though it could take, a year?
Bastion on PC & Xbox 360 2011, Mac 2012, PS4 2015, Xbox One 2016, Switch 2018.
Transistor on PC & PS4 2014, iOS 2015, Switch 2018.
Pyre on PC & PS4 2017.