Hi
as andywaw mentionned there is inflight entertainment on LO b738 , no IFE in your seats but its wireless , and not all content is free
https://www.lot.com/us/en/entertainmentPremium content
The Premium offers wider selection of movies and animations, including access to the latest Hollywood productions. For only PLN 9.99 (EUR 2.49), you can take advantage of a broad range of award-winning movies, including Tenet, Parasite, Joker, as well as the Harry Potter series and the animated film Soul. If you are travelling in LOT Premium Economy or LOT Business Class, access to the Premium offer is included in your ticket price.