(Many friends may be unfamiliar with Android phones when they first use them. The following describes how to install software on Android. The suffix name of the installation file on the Android platform is generally ". apk" (if the software you downloaded is rar or zip, please unzip it before installing), which is similar to the suffix name of the installation file on the WM platform ". exe" or the suffix name of the installation file on the S60 platform ". sis or. sisx". So just see)