Samsung Kies air is application by using that you can connect your Samsung Galaxy phone with you PC on Wi-Fi and sync and share you phone data with PC.
You can manage your phone via PC
-View and sync contacts with Outlook, Google or Yahoo
-Transfer any file between PC and the device
-Browse through your music, videos and pictures
-Manage ringtones and bookmarks
-Read your messages
-View your call log
-Create playlists and much more
For using Kies Air you must have to connect you phone and PC with same Wi-Fi and afer connecting you can do the stuffs.
Currently Kies Air is supported only on Samsung Galaxy S 2 and Samsung Galaxy tabs.
For using Kies Air connect you phone with same wi-fi on which your PC is connected.
Goto Application menu and Start Kies application after click start button it will display one http://-.-.-.-:8080/ like url. Now open web browser on you PC and type that URL and start using Kies air.
Samsung Kies Air Download http://dl.dropbox.com/u/10877391/kiesair-1.apk
After downloading it move it to you phone sdcard and and goto application-> My files and locate downloaded file and install it by taping apk file.
You Can just follow this video