On my iPhone with iOS 6, I often use the Amazon bluetooth keyboard to use my iPhone, including turning it on (home button on keyboard) and unlocking (escape button instead of swiping to unlock). But (and I don't remember how this was on iOS 6) with my iPad on iOS 7, the iPad won't respond to the keyboard when the screen is off (can't access lock screen) and the "escape" button doesn't reveal the home screen. (Search button doesn't activate spotlight either, it does on my iPhone with iOS 6, but that's a side issue.)
So would it work on the iPhone? Is this just an iPad problem? Would Apple or Amazon fix this in the future?