Niktu.com is a directory of mobile sites(lists of mobile sites)
if you are a owner of a mobile site, you can add your site for free, if you want to improve your sites rank, you can add niktu.com somewhere on your site, and the more visitors come here from your site, the higher your rank will be.
Code for a link
<a href="http://niktu.com">Niktu.com Directory</a>
The site link needs to look like this to be in niktu.com
it wont work if it loks like this
If you dont see your site, but it is successfully added, your site is maybe web site, or you are violating some rules :)
If you have some questions you can ask them at firstname.lastname@example.org