I will develop android sunmi pos with payment gateways

POS+Inventory+Invoice+Accounts Management System is PHP Framework Codeigniter ,yii2 and laravel based web applications that help you to manage your stock. Update stock item, purchase/add item, sales and reports from anywhere around the globe Office, Home, shop, PC or Mobile. You only need internet connection for it.

Full Source Code and Database Script included

Core Features

Point of sale

Stock Item

Invoice

Separate POS for return items

Offer Discounts

BARCODE

Roles and permission

Add items

Upload items through CSV

Add stock and pending stock

Report for expired stock & Out of stock alert notification

Stock reports

Sales report

Return report

Supplier

Banks

Whole sales system

Wholes POS for retailers

Expenses

Orders

Ledger System

Take and restore backups

Multi Device supported