Old Android phones are everywhere. They’re in closets, kitchens, desk drawers — and, yes, even in the pockets of productive business people who (gasp!) haven’t bothered to upgrade in a while.

Despite the constant marketing to the contrary, mobile devices can remain perfectly capable long after their launch dates. They can, however, start to seem a little slow or behind the curve after a few years of use — and the older and more resource-limited a de…
Computerworld Software