Yesterday we had announced about, Theme it, a new app that allows you to download, install and Manage themes in your iDevices. Theme It was launched today and it is now available for download.

How to install Theme It app!

STEP 1: You need a jailbroken device to perform this guide, you can use our guide posted here to jailbreak your iOS 4.2.1 device using Redsn0w.

STEP 2: Open Cydia, tap on Manage, then Source, edit and add the repository source : http://www.themeitapp.com/repo

STEP 3: Return back, navigate to the source and install Theme It app

STEP 4: Once the installation is complete, you’ll get Theme It on your home screen!

Also, Jay Freeman, the founder of Cydia, has just opened a new center in Cydia called Theme Center. This new feature will allow users to search for Retina and non-Retina themes. At this moment it contains only some popular themes, MacCiti and ModMyi staff picks.