Windows Phone Store gets a big update and web expansion
universal search which combines the search results for apps and how-to articles. Given the pseudo universal search feature on Windows Phone, it's surprising that this didn't exist before. The other big new feature is the option to install apps from an SD card. With this option, you can download the XAP file for an app from the web portal, copy it to an SD card, and then install it on your device. One catch is that it has to be the newest version of the app or else it will come up as incompatible.There are two big new features in the Windows Phone Store with the update. First is
There is one last update to the Windows Phone Store, but it's not quite as nice as the rest. There is now a new option which will allow you to choose apps from the My Phone link on the website and reinstall them to your device. This is nice if you switch phones, but having to manually reinstall all of your apps just seems like a chore, even if it is easier this way. We'd prefer to see the auto-restore that you'd find on Android.
source: Windows Phone blog