I was going to suggest that the android master key exploits (http://www.saurik.com/id/18) and Cydia Impactor (http://www.cydiaimpactor.com/) could be used, but I see that someone already added a page to the wiki detailing this: http://www.gtvhacker.com/index.php/Exploiting_Key_Signing_for_Root Looks...

I'm having trouble with the play store. At first, existing apps could be updated but new apps could not be installed. The store would act like it was starting to install but would never finish. If I hit 'back' and then selected the app again, the button said INSTALL again. I ran out of ideas, so I f...