Fair enough. You do, at least, get the added security of the downloading app having been reviewed by google before inclusion in the play store so that it is les

Fair enough. You do, at least, get the added security of the downloading app having been reviewed by google before inclusion in the play store so that it is less likely the app you backup with it has a rootkit. Given the articles that have been floating around on HN about how easy it is to fake the security on apps, I would say it still has its use.