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Development has been working on new core features which integrates a built-in Games Manager and Game Launcher front-end GUI with a Games Library, and Game Console Emulator API into Kodi. The code for all is currently actively being developed in a separate branch and is not expected to make it into Kodi mainline tree until version 15 at the earliest.
Under active development is also "RetroPlayer" video game console emulator (ROMs) interface supporting the libretro API and emulator cores (from the RetroArch project, which is its reference front-end). Libretro itself is a modular multi-system game/emulator system that is designed to be fast, lightweight, and portable.
This RetroPlayer can via libretro emulator API support emulators for most popular retro game consoles, including but not exclusively; Atari 2600, Atari Lynx, Atari Jaguar, Nintendo Entertainment System, Super NES, Nintendo 64, Game Boy, the original PlayStation, Sega systems (Master System, Genesis, Sega CD, Game Gear), plus multiple arcade games via MAME (Multiple Arcade Machine Emulator) and FBA (Final Burn Alpha), as well as ScummVM and MS-DOS based games.