I photographed this nifty display of roses at a local supermarket using my iPhone 6s, then processed them in my phone using different painterly effects while waiting on the checkout line. The upper version is processed in Photo Lab Pro, the middle is done in Prisma, and the bottom is a Waterlogue.
If you are interested in iPhone photography, check out my From iPhone to Art weekend workshop (the next session is scheduled for January 28-29, 2017).