This free application is a POS application that can be used offline without an internet connection, created to help cashiers, shop owners or shop keepers in their daily selling activities. The Waroong application currently has the main features, namely:

- Recording of goods, stock and prices
This feature is useful to help you remember all the prices of goods in your shop and their stock.

- Calculate groceries
This feature is useful as a simple calculator to calculate the total amount of purchases and change for buyers.

- Download Receipt
This feature is useful when you want to share the buyer's shopping receipt with anyone you want.

- Export/import goods data
This feature is very useful when you are unable to look after the shop so someone else has to look after the shop, then you just need to export the item data, then the other person just needs to install this shop application and import the shop data from the file you provide, it's easy. The new stall keeper will no longer ask about the price of this item in the stall.

- Report
In this feature you can see the turnover, profit or loss, etc. You can also create receipts from sales that occurred in the past.