It was the kind of humid summer night that made neon signs blur into watercolor. Rain had come earlier and left the asphalt sweating; puddles held the city’s tired lights like tiny, imperfect mirrors. Jason Reyes hunched under the awning of a near-deserted video kiosk, fingering the slim cardboard sleeve he’d found in a dusty box: Body Heat — 2010 — Portable Screening. The cover showed a silhouette of two figures framed in a doorway; someone had written, in a cramped ballpoint, “play at low battery.” Jason laughed to himself. He’d been chasing oddities like this since his ex left him for a landscape architect: discarded media, half-forgotten festival prints, films that smelled of cigarette smoke and laundromat lint. He liked when stories had edges.
Users found the characters engaging, the firehouse setting "homey," and the pacing well-handled, noting it as a good "side-screen watch". Negative Feedback: body heat 2010 imdb portable
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The keyword "portable" in your query may relate to how the film was distributed or referenced: It was the kind of humid summer night