Overview of Tile-based Interface Apps
Microsoft account Integrated Apps
We have seen Mail, Calendar, People and Messaging as Preview App in Release Preview and these apps are now default apps in Windows 8 Release To Manufacturing (RTM). These apps integrate and work with Microsoft account and require internet connection for information retrieving.
Bing powered Apps
In Windows 8 Release To Manufacturing (RTM) apps like Weather, Finance, News, Maps, Travel and Sports are powered by Bing. Bing is included as an app by itself on tile-based interface, the Bing searching built-in with certain intelligence where it provides better searching experience to user.
Administration Tools - Windows Memory Diagnostic Tool
There are I would like to focus Windows Memory Diagnostic Tool which is a bundled app in Windows 8 RTM in this post. I think this is an useful app for anyone to diagnose memory problems (if any) as memory problems can sometimes cause loosing of information or computer stop working. By default, the administration tool is not show on the interface, you may enable Windows to show to the tool by following the below steps:
Move mouse to the right lower corner to to bring up start menu and select Settings