One of the key selling points for Apple's iPad is the more-than 140,000 native apps available for the device. Android devices have a way to go to catch up in terms of overall quantity, but the number of quality apps for Android tablets has been improving steadily.
If your smartphone is lost or stolen, you want to make sure that your personal information are safe. One way to achieve this is to use an encryption system: files are encrypted using a key (which can be a password) user-defined, and who do not seem to have only junk useless. So encrypt your android phone is very important.