If you want to transfer files from PC to your Android smartphone then it's best to use a program called WiFi Manager. It has features that are able to sync and download applications from a PC. This application is currently being developed in the United States. It has been developed by a company called G2E Technologies. It has the capability to do multiple things.
You can download the software for free. Once you download the application it will allow you to sync files from your PC to your Android phone. After doing this you will be able to see all the files you have saved on your Android phone. WiFi Manager has various modes that you can choose. It has free mode which means you can use the application without any cost but with limited functions. The other mode that you can choose to use is the full version.
In the full version you will be able to do many different functions with your Android phone. You will be able to use it as a network storage. It will automatically sync your files with your Internet connection. Another function that it has is a backup mode. It will scan your USB drive and when it finds a file you want to save it will copy it to your device. The last feature that it has is a transfer mode. It will allow you to save and transfer files over a certain period of time.