USPS auto tracking system

This application was designed for automatic tracking your parcels/letters that was sent via postal company "USPS" (www.usps.com).Main features:-Automatic checking status and notification when status change.-Scanning tracking number.-Showing days in the way.-Sorting parcels-Contains cute widget for homescreen.-Material designWhen you got an error or hang etc. please contact me by email with full description:your device model, android version and how to reproduce it. Also please send me your ideas, questions and concerns.