A developer has built an app called Foldman that turns the Galaxy Z Fold 8 into a virtual cassette player, pulling tracks from local storage, YouTube Music and Apple Music, with Spotify support promised within days. The app is free, open source, and free of ads or tracking.

What the app actually does

Foldman presents a cassette deck facade on the Galaxy Z Fold 8. When the phone is unfolded, the interface expands into a wider stereo view. The virtual player includes a volume slider and a running tape counter, and the tape reels visibly transfer tape from one side to the other rather than looping a decorative animation — a detail that mimics how real cassettes behave during playback.

The developer describes this as an early version with rough edges and has cautioned users accordingly.

Why the Fold 8's shape suits it

The Galaxy Z Fold 8's front display is wide and short, a proportion that echoes Sony's original cassette Walkman. That form factor is gaining popularity, and it is opening room for apps built around retro hardware metaphors rather than standard touchscreen layouts. Foldables already carry a nostalgic charge — they recall 2000s flip phones while running modern hardware — and a Walkman-style interface leans into that contrast.

Supported sources and what comes next

Current playback sources are YouTube Music, Apple Music, and files stored locally on the device. Spotify integration is planned within the next couple of days, according to the developer. Beyond that, the developer says they are exploring support for self-hosted streaming services, which would let users play their existing digital libraries from their own network.

What readers should know before installing

Foldman is distributed as an APK rather than through a verified app store. Installing APKs from outside verified stores carries risk, and users who choose to do so take that risk on themselves. The app's open-source, ad-free, tracking-free design is the developer's stated position; it is not an independent security audit.

The wider context

The timing is not incidental. Analysts expect foldable display shipments to rise 44% in 2026, and Samsung has been expanding its Galaxy lineup on several fronts — releasing "Re-Newed" Galaxy phones on Amazon starting under $500 and rolling out Android 17 updates to some of its most popular Galaxy phones. A wider base of foldable owners, particularly those with short, wide cover screens, is exactly the audience a cassette-deck app needs.

For now, Foldman remains a small, single-purpose player. Its appeal rests on execution details — the moving tape, the counter, the stereo spread — rather than on a large feature set, and those details are what will determine whether it reads as a novelty or as a genuinely usable way to play music on a foldable.