The greater Android smartphone users, it more potential attack virus / malware, with a variety of losses that can override the user. As we know the latter often found trojans, malware known to infiltrate our Android devices, which can be entered through a file or files downloaded from the internet application that we install.
You also have to be good at having an existing anti-virus applications. adjust to the specifications of our android device. In order not to reduce the performance of the device because take the resource is too big.