According to this article, Gala Bingo's television channel, Gala TV is to be relaunched, with a possible Freeview launch on the cards. There's few other details at this stage, with no indication where the capacity will come from.
19 February update: Fear not, Freeview fans. Gala Bingo isn't on the way. The author of the original article mistook Freeview for Freesat, the new free satellite television service from the BBC and ITV.