5 Awesome Privacy Android Apps: Smartphones continue to gain popularity world-wide, and no operating system has seen more explosive growth than Android’s OS. It’s based on the same Linux kernel that’s used in desktop PCs, and in itself is just as secure. However, the more data that is transmitted through the Internet through these devices, the greater the privacy and security concerns become. Fortunately, some Android application, or “app” developers, have already spotted some of the vulnerabilities for the average user, and here are five great privacy apps to help anyone secure their device.