Q: I recently switched from BlackBerry to an Android-based phone. Do I need to install any anti-virus or firewall apps on an Android smartphone like what we do on a PC?

：我最近将黑莓手机换成了安卓(Android)手机。我是否需要像在电脑上一样安装杀毒软件和防火墙应用？

A: It all depends on your tolerance for risk, your tolerance for running security software, how adventurous you are at downloading apps