Details are scarce at the moment, but Samsung and PayPal may secretly be working on a joint mobile payment solution that will launch sometime in the future, SamMobile reports, noting that it’s unsure whether the two companies will actually announce anything in the coming months. Samsung is going to unveil the Galaxy S5 next week in Barcelona, though, so an announcement could be made then. The publication, which has accurately presented details about unreleased Samsung mobile devices in the past, is unsure of what such a partnership will bring to the mobile payments business. However, Samsung is clearly interested in this business, already having a payment solution of its own in place called Samsung Wallet. Similarly, PayPal wants to be