Yes, we have smartphone apps related to the mainframe. Don’t be surprised. Mainframes are not the old dusty computers that some folks go on about – you know; the ages-old dinosaurs that occupy entire rooms, use card punch input, and require bits and bytes programming. Mainframe technology has come a long way in terms of modernization. They are now the size of your typical refrigerator, super-fast , running top industries critical data day in and day out.