These free apps are only for Nokia X3.There are many kinds of free apps for your Nokia X3 you can find here.
These free apps have a large category. Such as games, professional, internet, entertainment, business, social networking, education etc.You can download these free apps from your computer or mobile.

Click on this link >> http://gallery.mobile9.com/c/nokia-x3-softwares_2480/1/?st=3&fi=0

Click on this link >> http://mobile.brothersoft.com/phone/nokia/nokia_x3/