I got a PlayStation Vita!

[Kerotan]

Congrats. It's great for play classic titles.

Here's my recommendations:
Crash bandicoot 1, 2, 3,
Crash team racing,
Spyro 1,2,3,
Hogs of war,
Metal gear solid.

And for current vita titles I'd recommend:
Killzone mercenary,
Uncharted 4.