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:PS1 emulator bundled with the [[wikipedia:Xperia Play|Sony Ericsson Xperia Play]]. It partially depends on hardware emulation, so it's not compatible with other phone models. It was meant to only work with select titles sold on the official web store, but it took less than a year for [https://github.com/yifanlu/PSXperia an injector] to emerge. Emulation accuracy is mid-tier at best and the injector only works with single-track games, although multi-track games are theoretically possible.