Download more items to your device simply by tapping on more title cards. (safaribooksonline.com)
If you don't see Developer Options, then you will need to enable it by going to Settings — > About Phone then tapping on Build number 7 times. (xda-developers.com)
I can't count how many times I've saved myself from jumping a stranger's vehicle by just tapping on the starter. (mechanics.stackexchange.com)