First on the list of Android security apps is Lookout Mobile Security, an Android security app bundle that comes with two different tools: one is Lookout Security and Antivirus; the second is Lookout Plan B. This Android security app offers free antivirus software, as well as provides features like backup, locate phone, and so on. The system works on a client-server basis, wherein the server resides within the home PC, and the client is installed on the mobile devices. This Android security app can be used to lock the mobile remotely if it is stolen, via the server module on the home PC. The user interface is friendly and very easy to use; the premium version of this Android security app also offers a wipe feature, among many others.