This app is an automatic file sync and backup tool. It lets you automatically synchronize files and folders with Box cloud storage (box.com) and with your other devices. It is an ideal tool for photo sync, document and file backup, automatic file transfer, automatic file sharing between devices,... New files in your cloud account are automatically downloaded onto your device. New files in your device are uploaded. If you delete a file on one side, it will be deleted on the other side. It works