Ways to sketch and take notes with smartphones and tablets has been getting a lot of attention lately, especially as new tech keeps making them better. Here are three of the best to consider: Paper lets you sketch with a wide array of colors and brush tools. You can incorporate photos and screenshots from other websites into sketches. You can also handwrite captions and notes so whatever you compose is easily accessed. Paper is free and designed for iPhone and iPad. Sketches is naturally suited sketching, but also taking handwritten notes. It’s designed for doing everything from architectural sketches and cartoons to illustrations and watercolor paintings. You can customize everything…