They mentioned they'll be taking suggestions on Mostly Walking. What games do you want to see?
Sean Broussard (sp?) mentioned he's a fan of the Quest for Glory series but that it's less popular. I've always loved the series, and particularly thought that QFG5 was spectacular. Might be awkward to play on air because some of the game is grinding up skills/fighting boring mobs, but maybe they can do some of the grind off air. It's always been my favorite adventure game, and I've never actually gotten to see the end of QFG5, because my install was bugged.
Honorable mention to Space Quest. My family enjoyed playing those (we played with my mom and/or grandfather) but I was too young to remember them.
What games do you want to see?