The installed base of mobile point-of-sale (mPOS) devices is set to increase fivefold over a five year forecast period, reaching the 51 million mark in 2019, or 46 per cent of the overall POS, according to ABI Research. The increase in uptake is not just being driven by micro-merchant adoption, as mPOS vendors are increasingly focused on mPOS penetration higher up the value chain. Other mid-sized merchants and even large retailers are looking towards mPOS to provide new acceptance capabilities, enablement or extension of added value services, while improving in-store mobility levels. Nonetheless, questions remain around the business viability of mPOS and if it can be a profitable and sustainable business. Despite market uncertainty market belief remains and investment continues to flow. For more, see this Release