At Google I/O, Google outlined their plans to work on a standardised gesture navigation model for Android. Google claim that they will continue to improve and polish gestural navigation based on feedback, and we’ll probably see a couple more tweaks with the next beta before the public Android release. You can read up a little more on the Android development blog, which is primarily for developers that are looking to adapt their apps for Android’s latest beta, but you can read it to get a sense of the thinking of the Android team, and their long term strategies.