Because the tablet is a variable geometry device. You can develop on the device with keyboard, take the device away without the keyboard and play your game. The

Because the tablet is a variable geometry device. You can develop on the device with keyboard, take the device away without the keyboard and play your game. Then hit a bug and fix it on the spot with the OSK. Besides developing NUI apps straight on the device is interesting, instead of developing on a machine then upload and test on a tethered device.