Now there is new concept is available to use your software anywhere,
The portable software are available with various applications.
you can download that software on given sites
http://portableapps.com/apps/
http://www.portablefreeware.com/
http://www.pendriveapps.com/
http://www.usbspace.com/
when you are going to install that software you must plug in your USB Pen Drive to your Computer and locate the installation path to your USB Pen Drive.
You can also download portable Games which will carry by you by your Pen drive.
