Starbase Orion is a turned-based galactic exploration, colonization, and conquest game inspired the classic Masters of Orion series. It's available for iPhone and iPad, though the developer hopes to expand it to Andorid, Mac, and Windows as well.
When it comes to pinball, there are two tables that I love. Star Trek: The Next Generation and Indiana Jones. I easily spent hundreds of dollars in quarters on those two games in college, and they're the two games I'd most like to own.
Fantasy Flight Games made its name creating huge, sprawling board games with hundreds of fiddly-bits and robust game mechanics that take hours to play. Fans who buy Arkham Horror or Mansions of Madness know they’re getting their money’s worth … and that there’s no way the game will fit in their pockets. With the Elder Sign: Omens app for iPhone ($3.99), Android ($3.99) and iPad ($6.99), they’ve taken a different approach: create a lightweight, fast-playing game that’s as atmospheric as its predecessors but can be played anywhere.