We are purchasing Prebuilt professional POS System software for Retail/ Restaurant. Scaled for full station and mobile device. Already built and with full function & Back office/ Admin for online (PHP) Ability to connect with API and expand functions with 3rd party providers (See attachment) and SaaS ready. May ask to integrate Pax payment terminal gateway. See document for basic feature needs. Send sample APK please. Budget $850.00. Please don't raise the cost in your offer.