Attention: Cracked ipa application can installed by PC Suite, but you must install a free ipa app(any free app from iTunes) via iTunes first, otherwise the ipa installed by PC Suite can not run normally.
Except ipa, PC Suite can install pxl,deb format apps, and the methods are the same as ipa.
First Download PC Suite for
Install PC Suite for iPhone on your PC
Open PC Suite, and click "Apps" in the left
In app manage interface click top left corner"Add" or lower left corner "+" to add app
In pop-up box choose the ipa app you want install, and install it
After that you will see the ipa app intalled shown in the ipa list
And you can unintall the apps(including apps installed via iTunes) easily by clicking the lower right corner "Uninstall"