I have not been checking KNTO site for a while now and was delighted to find a brilliant app from them for iphone and android smart phone users! It is basically the entire KNTO website in a mobile format. ^^
If you are an iphone user, download 'Visit Korea' from your AppStore or 'KTO' for google android user . This is how the icon looks like after the installation.
Note: You must be connected to internet to access this app.
If you are travelling mainly around Seoul, to grab a free wi-fi signal is rather easy. There are many public places which offer FREE wi-fi.
The download was a breeze and I could find several vital and helpful points from the app, namely: