He shows how Windows 98 boots up (incredibly fast, might I add), and demoes things like moving the mouse pointer and keyboard input.
Yes, you need a jailbreak unit to perform this hack. In a video uploaded by the guy on YouTube, the DOSPAD mod can be seen right smack in the middle of the Retina display. In a few explanatory notes on the r/jailbreak sub, he reveals how he was able to get the old desktop OS up and running on his Apple tablet computer, and even offers optimization instructions. Luckily for Redditor 8bitssince86, all he wanted was Windows 98 on his iPad. With every new generation of computers, the right emulator for your favorite old games is harder and harder to come by. It’s normal to feel nostalgic about the games of your childhood, and it takes a great deal of effort to run them on new hardware.