Smartphones are probably some of the most personal devices on the planet. They hold our contacts. Our family photos. Our, um, personal photos. Text messages. Private conversations. Many of a person's secrets could probably be uncovered with a little exploration of their smartphone. So, what's the best way to keep things safe on your smartphone? With a little security, of course.

Android offers a few of its own solutions to keeping your private data private, like a customizable unlock pattern, password, or PIN code on the lockscreen. If someone were to get past that, however, it's open season – all your data is just there for the taking.