Very sad, it looks very attractive, and is in the Amazon App Store also significantly cheaper than Google. But I do not get up and running, not on my 1.5 year old Kindle Fire, even on the new my son. As soon as I called the first level, the screen remains black, and nothing works, neither in front nor back. Even a garbage collection has brought nothing. Now I may so again take care of the refund ...: - /
