The NVIDIA Tegra lineup, basically a system-on-a-chip with an ARM CPU, could be the most advanced mobile graphics processors yet. This demo shows that PGR: Ferrari Edition’s graphics are “easily on par with the PSP and quite possibly better.” Continue reading for the video. The other games aren’t nearly as intense, but they’re just as smooth. Best of all? They’re free — although you will have to look at a Zune ad while they load. [via Engadget]