Photo Art – Color Effects is a very popular Android photography app and it has just been updated with some bug fixes allowing it to run smoother than ever. This is a free app and you can dowload it here from the Google Play store.     – 31 effects (sepia, grayscale, black&white, tint, colorize, pixelize, mosaic, posterize, solarize, brightness/contrast, exposure, negative, thermal, heatmap, saturate, sharpen, blur, spread, noise, dilate, erode, smear cross, smear lines, smear circles, smear squares, edge detect, emboss, laplace, sobel, solid color, flip) and more coming soon – 12 brush types (and more coming soon), configurable opacity, size, repetition – two fingers zoom or fast one…