Android (root): If you have a giant phone and aren't Mr. Fantastic, you might have trouble reaching the top of your phone's screen sometimes. This clever workaround for root users can bring the top of your phone to your fingers instead.
Reddit user Cycneus has put together a handy tutorial showing how to use shell commands in Android, paired with a little Tasker magic, to create a makeshift one-handed mode. This is similar to an iOS feature designed to make distant buttons on large phones a bit more accessible.