NCR is offering an Android-based platform for operating cash machines, called “Kalpana”. Unlike the multiple gigabytes of RAM needed to run Windows, this one only needs a fraction of a gigabyte. The company is also claiming significantly lower maintenance costs. <http://www.theregister.co.uk/2015/04/15/ncr_android_atm/> However, open-source or not, I’m still not convinced the question has been fully answered: what happens to devices running older versions once the vendor drops support?