For decades, playing a Game Boy Advance game on an iPhone required circumventing Apple's own rules — a quiet act of technical defiance that millions accepted as normal. Apple's April 2024 policy reversal ended that era, and by mid-2026 three distinct emulators have settled into the space it opened: Delta, Folium, and Provenance, each answering a different version of the same human desire to carry the past forward in a pocket. The choice between them is less a matter of quality than of circumstance — what you own, where you live, and how much friction you are willing to accept in the name of no