The new Payware Mobile e355 POS terminal from Verifone can be used on a countertop, as a handheld device linked to a smartphone or tablet, or attached to a tablet.  The flexibility of design also includes the ability to work with tablets or smartphones using iOS, Windows, or Android operating systems. This lets merchants buy e355s when they are using one tablet or smartphone operating system and keep them if they, for example, switch from an Apple to a Dell tablet at some point during the life cycle of the Verifone device. Merchants tend to keep POS devices for about five years. The e355 u...