"Perennial Rest POS" is a very useful offline point of sale application for android mobile/tablet device. By using Perennial Rest POS, you can easily maintain your all kinds of items and sales records of restaurants. You can store customer and supplier’s information. You can easily see your daily, monthly and yearly reports with bar chart and export data on Excel sheet. There is login system and three types of user role-Admin, Manager and Waiter. You can print receipt for customers and kitchen via Wi-Fi or Bluetooth printers. You can add tax percentage and table booking for customers. Perennial Rest POS has multiple language (English, Tamil, Spanish, Bangla, French) facility. Also, there is backup facility. You can back up your database and save it to device storage and you can import it. You can manage your restaurant sells smartly.