When Prisma Labs said you wouldn't have to wait long to use its Android app outside of the beta test, it wasn't joking around. The finished Prisma app is now readily available on Google Play, giving anyone a chance to see what iOS users were excited about a month ago. Again, the big deal is the use of cloud-based machine learning to turn humdrum photos into hyper-stylized pieces of art -- vivid brush strokes and pencil lines appear out of nowhere. Give it a shot if you don't think your smartphone's usual photo filters are enough.