I find I retain information better if I hand-write it on paper. I carry a little Leuchtterm1917 notebook around, and I use the bullet journal method which, if

I find I retain information better if I hand-write it on paper. I carry a little Leuchtterm1917 notebook around, and I use the bullet journal method which, if you remove all the washi-taping, watercoloring pinterest/livejournal hype, is actually a good system for productivity. That said, orgzly is org-mode for android and works pretty well. It's FLOSS.