How to quickly uninstall software in Launchpad

All the apps in Launchpad are lined up in the ipad, so we're thinking: Since Apple's launchpad inspired by the lion is entirely from the ipad, can we also, as in the ipad, Keep holding down an icon to rearrange the icon position and remove the program??

After a small series of tests, found in the ipad can be achieved in the function, in the launchpad can also be achieved!

1. Continue to hold down an icon, you can find that all the icons are beginning to think the ipad in the same constant jitter! We can drag any icon, reorder, delete the program, and so on!

We have also found that only software downloaded from the Mac App Store can be quickly removed from the launchpad (red-circled software), and other installations cannot achieve this feature!

You can also categorize the same type of software in the same file in launchpad!