I tested Gamban a year ago, and the in worked pretty well. Once you installed it, you could not get rid of it without resetting the entire phone. I experienced some problems with the VPN though. It was interfering with other things on the phone too. What are your experiences?
Lately, I’ve seen it in the App Store. I don’t know if they have found a way to go around Apple’s rules… But I’ve also heard from users that it’s easy to just deactivate it now.