An anonymous reader writes: The Digital Foundry blog reports that Sony has added functionality to the PlayStation 4 that allows it to act as an emulator for some PlayStation 2 games. Surprisingly, the company did not mention that this functionality is live; a new Star Wars game bundle just happened to include three titles that were released on the PS2. From the article: "How can we tell? First of all, a system prompt appears telling you that select and start buttons are mapped to the left and right sides of the Dual Shock 4's trackpad. Third party game developers cannot access the system OS in this manner. Secondly, just like the PS2 emulator on PlayStation 3, there's an emulation system in place for handling PS2 memory cards. Thirdly, the classic PlayStation 2 logo appears in all of its poorly upscaled glory when you boot each title." Sony has confirmed the games are being emulated, but declined to provide any further details.