PhoneBackup (com.maximussoft.backup) on Google Play
PhoneBackup is an extremely simple app to use. It simply backs up your SMS, Call Logs and Contacts to a csv file on your sdcard.The csv file is human readable so you can extract or modify the information in it. You can use Excel or Notepad for it.PhoneBackup integrates with Cloudpipes which allows you to transfer your backups onto Dropbox whenever you want. The scheduler uses Cloudpipes to schedule the backup and to upload it to Dropbox. You can select which items you want to backup and how frequently you want to schedule the backup. Limitations:- Restoring multiple times over again may create some duplicates. - SchedulingIf you want to use scheduling you need have Cloudpipes installed since PhoneBackup uses its scheduler.See Help: http://cloudpipes.wordpress.com/phonebackup-help/