To easily install cracked apps for free, you need a jailbroken idevice and Cydia.
Now open cydia, click on manage -> sources -> edit -> add and type this cydia.xsellize.com and click add source.
Once the source has been added, click on xsellize and scroll down to the apps that you want. Click on it and on the top right corner click install and confirm.
You can try to install these:
Top 10 Best Cydia IOS4 2011 Apps Tweaks of ALL TIME
1.OpenNotifier
2.Mywi 4.0 On Demand
3.Multifl0w
4.Gridlock
5.SleepFX
6.Barrel
7.Scrollingboard
8.Masks
9.Switcherplus
10.Icon Renamer
