The HP App Catalog is the place to go to when you want to load your new and shiny HP TouchPad with all the latest and coolest apps. Our first hand experience with the software marketplace left a good impression in our minds as HP has done a pretty good job at making sure there is plenty of apps to choose from – something that the Honeycomb-powered Motorola XOOM, for example, couldn't brag with when it launched. For more information, feel free to check out our HP TouchPad review.
Be aware that some users seem to be experiencing difficulties getting or installing the update. However,. giving it another try reportedly solves the issue so do not give up if it fails the first time you try to download it.
via PreCentral forums