A free app for Android, by aadhk.

With W&O POS – Retail Point of Sale, you can easily manage your business from anywhere. A retail point of sale (POS) system is the key to making a business more efficient. It is a completely free POS system for retail businesses.

It is an all-in-one POS system that allows you to accept credit/debit card payments, print receipts, and generate reports. No need to install additional software. You can also use this app to apply discounts, surcharge, and taxes to your products.

What’s more, this application allows you to easily manage your expenses and inventory.