I use my phone most days to scan the internet for the grist for this blog. Recently, I found this post from Julie Jordan Scott about other ways to use your phone for writing. I already use several of them, but I hadn’t thought of using my phone to create a “one-sentence journal.”
Julie Unplugged: 10 Smart Ways to Use Your Phone to Improve Your Writing
http://juliejordanscott.typepad.com/julie_unplugged/2013/07/smartwrite.html