For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
Grid 2 - Grid 2 is an Entertaining, Actin-Adventure, Sports, Racing, Co-op, Single and Multiplayer Driving video game developed and published by Codemasters.
Dropbox - Online Sync and File Sharing
Asphalt 8: Airborne - Asphalt 8: Airborne is a Racing Game from Gameloft for iOS, Android and Windows Phone Devices
Google Drive - Access and sync your files anywhere
Blur - Blur is a software application available for both Google Chrome and your smartphone. It's developed by Abine, an online privacy company trusted by more than twenty million people. Read more about Blur.
Mega - Secure File Storage and collaboration