‘Honk for Jesus. Save Your Soul’ finds dark satire in a disgraced megachurch

Adapted from a film short into a movie, “Honk for Jesus. Save Your Soul” exhibits the strain of the magnification process — as premises go, feeling a little light in terms of the collection plate. The central performances, however, make this dark satire awkwardly watchable, with Sterling K. Brown and Regina Hall as the disgraced pastor and his wife desperately plotting a comeback.