WinPSe10 is one of the top rated PlayStation 1 emulators out there. It runs on Xbox One and while it brings in some great innovations, it is not 100% original. In fact, the emulator is based on the PCS-Rearmed emulator. The emulator gained notoriety for its high compatibility. It can run pretty much every PlayStation 1 game out there. Sure, some of them may face some bugs too, but overall, none of them will get you stuck or in a loop. WinPSe10 has been created with accuracy in mind. There are no major updates on the overall speed, but the accuracy is flawless.
It is worth noting that you can download and use WinPSe10 for free. The interface is simple and provides access to games like Crash Team Racing, OddWorld: Abe's Oddysee, Vagrant Story or Gran Turismo 2, among many others. No ROM images are included, but you can find them without too much hassle.