Qsync Pro Android is a mobile file synchronization application that allows you to access files and folders stored on your NAS using your mobile device. [Prerequisites] - Android 5.0 or later - A QNAP NAS running QTS 4.3.4 or later and Qsync Central [Important Notes] - You now can select subfolders when adding paired folders. (Note: If a folder’s parent or child folder is already paired, this folder cannot be paired again.) - Support for one-way sync mode. - Qsync Android has been replaced with a new app, Qsync Pro Android. [Key Features] - New user interface design. - Pair folders on your NAS with folders on your mobile device with the Manage Paired Folders feature. - View the connection details of your synchronized mobile device and NAS on the Overview screen. - View the synchronization status of files on your mobile device on the Background Tasks screen. - View files that have been successfully synchronized on the File Update Center screen. - Specify file extensions that you want to exclude during synchronization with the Filter Settings feature.