You can directly install applications that are downloaded from anywhere, certainly with a format file. Apk on a computer without needing to connect directly to the Android Market.
Installation can be done by Android Injector on Android device in batch mode. Use of this free software was quite easy. You only need mengoneksikan your Android phone to a computer via a USB cable and then selecting a number of Android application file format. Apk and then click the install button to the device.
This application is compatible with multiple operating systems, namely Windows 98 to Windows 7. However, because this application requires the VB 6 Runtime in use, make sure the operating system you already have it.