Google Keep’s drawing tools offer a simple yet powerful way to jot down ideas, sketch concepts, and annotate notes—all from your phone or tablet. But you’re not limited to mobile devices.

You might yearn to pick up your iPad and scrawl some notes on its surface, but until recently you had few good options for doing so.

iPhone/iPad: Ever wish you could just make a quick sketch or handwritten note in Evernote? Your wish has come true today, at least on iOS.Update to th ...