Don't think this is by the same people, but I've used https://play.google.com/store/apps/details?id=coolcherrytrees.software.detexify&hl=en https://play.google.

Don't think this is by the same people, but I've used https://play.google.com/store/apps/details?id=coolcherrytrees.software.detexify&hl=en https://play.google.com/store/apps/details?id=coolcherrytree...