TD Tips: Portable Gaming

It's that time of the week again. Time for us to pick a topic, seemingly at random, and tell you what you should buy to get the most out of it. This week it's portable gaming devices. I'm being quite broad with that definition - I'm including anything from proper consoles, to mobile phones, to electronic sudoku on a keyring. Unsurprisingly, however, no-one plumped for the keyring.

Click the world-famous Nintendo DS below to begin your magical portable gaming tour.