The U.S. mobile point-of-sale market is in flux with VeriFone deciding to kill its SAIL product, but the market in Europe is only getting more competitive. U.K.-based SumUp announced that it's expanding services, including native language support, into France, Belgium and Portugal.

SumUp launched earlier this year in the U.K., Ireland, Germany and Austria, moving into Italy, Spain and the Netherlands within a few months. With today's announcement, SumUp is now available in 10 European countries.

Though sometimes referred to as "Square clones," European mPOS solutions like SumUp are different from their American cousins in that they process EMV-chip cards. Otherwise the solutions are the same, and turn an Android or iOS mobile device into an on-the-go payment terminal. Providers charge merchants a small percentage of each transaction to process credit and debit cards. (SumUp charges merchants 2.75 percent of each transaction.)

"Our technology is both incredibly flexible and incredibly portable," Daniel Klein, CEO of SumUp, said. "However, extending the secure and reliable payments infrastructure we have developed into new markets is not at all easy — although it is certainly just as crucial."

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