Looks like a prequel or sequel is coming, but regarding Dick's reaction
I wonder if Phillip was as delighted as he seemed. He did not write the screenplay and the story was changed significantly. He may have been currying favor for future deals with Hollywood.
Dick's androids were not as sympathetic as they were in the film and the only colony available for earthers was Mars and none of the fancy smancy worlds advertised in the film.
Interesting to me how the film has become quite dated by the absence of cell phones in their version of the future. Pay phones, meh. Other than that it stands up well and is one of my all time favorites