No Any signing process and not required any accounts for it. You will just needs to send your contacts in universal format to yourself or other with your mails.You will able to easily backup your photos and video by album wise in your dropbox account. You will able to easily sync your photo and video in your dropbox account. We will provide other backup option shortly like Google Drive etc.It's easiest way to take backup and restore your contacts from your phone without needing a computer or synchronization. You will able to take a backup with a single touch and send to anybody in .vcf or .csv file format attachment via email.It's easiest way to backup or sync your photo and video in your dropbox account. Just needs to single touch and backup will start. you will able to see the backup progress.All contacts can easily be restored any time by simply opening the .vcf file.Key Features:Offline Backup: No need to sync contact to any other server. Just email the backup file to yourself.Easy Restore : No any other application required for restore. vCard Restore Feature.Backup Contacts as VCF (VCard) or Export Contacts as CSV (Excel) fileDelete All Contacts in Address Book.Unlimited VCF Backup. No limitation for contact backup.Easily backup photos and video by album wise. You will needs to select the albums and that albums zip file will be uploaded on your dropbox.Easily manage the progress reports.Easily Sync photos and video in your dropbox account.Backup - photos and videos in your dropbox account. You'll never lose a single memory - even if your phone is lost or stolen.IMPORTANT NOTE : If device on sleep mode or application in background more than 10 minutes then photos and video backup/restore will be stop. After sending backup file (*.vcf) to yourself, please check your inbox and contains attachment (backup file). Sometimes email providers will block attachments due to attachment size is too large or any other reason. If any issue, try with another mail account.