I really don't know about Android but I tried on iOS 7.1.2 which literally failed.
![Tongue :P](http://ez.feedthetrolls.net/Smileys/default/tongue.gif)
What I did was, I made an intense scan over my iPhone. It didn't gave me good results but it failed responding and soon when I check my device I was worthless..
![Tongue :P](http://ez.feedthetrolls.net/Smileys/default/tongue.gif)
No Touch working, Bad Graphics and couldn't even switch it off. Ended up restarting it and then everything was fine after a day! :/