I do enjoy watching the Tab play PSX games. There are so many old classics that are frankly amazing games that are available for modern mobile devices. Thankfully, they run well on the Tab.

This video of Castlevania: Symphony of the Night (afaict) doesn't show a lot, but I thought I would post it anyway:
http://www.youtube.com/watch?v=zvFvz6PpDL0

There are some great older titles for PSX that are worth playing over some newer modern games.