Pippin was just the original Xbox concept before the Xbox arrived. Similar to Microsoft’s windows ce gaming agreement with Sega Dreamcast. Cram a low end computer in a console and put the bootable OS and app on a CD. Boot directly into the game. Same cd could be played on a Mac.
Problem was, it came out at a time when Apple had too many projects going on at once. So it was both too expensive, and left to rot with “licensees” instead of being built, promoted, and sold by Apple.
Irony — Halo was originally a Mac-only title.
https://kotaku.com/when-halo-was-on-the-mac-and-was-a-totally-different-g-5796019