The Nintendo DSi and Sony PSP may not be running for the hills just yet, but the gaming applications on the Apple iPhone 3G and the Google Android mobile OS are starting to give them a canter for their cash.

And games are the subject of our latest Video App-Off where we place the iPhone 3G up against the Android Marketplace in a weekly bid to crown the king of the app stores.

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This week Chris and Rhi have taken to the home of boredom, the London Underground, to test out the best time passers. Chris is boasting Flight Control from the App Store, while Rhi has taken the more intellectual route with the Brain Training-style Maths Workout on the Android-loaded HTC Magic.

Check out the video to see which app comes out on top.

Links:

Apple | HTC Magic

50 Mobile phone apps to change your life

From health and fitness to work and play. From relaxing at home to adventuring in the great outdoors. There's a life-changing app for everything.

- Get the most out of your Android, iPhone or Blackberry here