The scanning record will automatically be added to the history. ・To revisit history: tap "History" and choose a record. ・To delete history: tap "Edit" on the upper-right corner, choose a record and "Delete" on the upper-left corner (otherwise, you can delete all history by not choosing a record before "Delete"). ・To generate a QR code: tap "Home" and choose "QR Generator". You can choose "Phone Book" to use a contact information or "Enter Text" to input free text. “Google” is a trademark or registered trademark of Google LLC. “Amazon” is a trademark or registered trademark of Amazon.com, Inc.