What's the Biggest Challenge in Cross Platform Testing?

Cross platform tools are about how do you manage these different life cycling patterns and other things. The weirdest one that i got was some enjoy devices that iave etoriginous c p us. Some corpes go fast, some others don't. And then iu can do weird stuff because you're having that kind of thing. So n it adds up to all the things that need considered when testing your devices across patven if you're using the same code that runs everywhere.