Let Fly Contacts does one job. It composes a report of the contacts in the Address Book and emails it as an attachment. The contact report in your email box provides a simple backup external to your iPhone. This can be a lifesaver when the phone is lost or the battery is dead.
Let Fly remembers your email address. The choice of detailed or summary format for the contact report is the only option. When the Let Fly button is tapped the attachment is composed, and a cover email sheet is displayed. Confirm the email with Send, or Cancel to abandon the backup.
Send causes the email to be passed on to the mail tool on the iPhone. The Let Fly Contacts email will appear in the mail Outbox until the mail tool sends it, like any other email.