Zerone Microsystems is a bleeding-edge payment fintech firm. Zerone Microsystems is the inventor of ZUP (Zerone Unified Payment) Technology, a cross-platform mobile app for frictionless payment between smartphones. ZUP Technology has enabled the smartphone to smartphone payments. We convert cheapest of smartphones into a POS machine using our ZUP proximity payment technology, with no additional hardware and no need for NFC. Replacing the entire POS Infrastructure through a VPOS on cheapest of Smartphones.