
So here is a tutorial on how to get free apps from your computer first of all, you need a jailbroken iDevice and any repository that host appsync <--your firmware (ex: http://cydia.hackulo.us/, http://cydia.xsellize.com/, http://sinfuliphonerepo.com/ ).
Then, on your computer, create a folder on your desktop and then, go on one of these websites: http://www.ipahack.com/, http://www.apptrackr.org/, http://iphonecake.com/appcake/en/. Just download any apps you want in our folder and drag the folder to then app section on itunes. All you have to do now is sync your iDevice!