Pixel Pix - Turn your photos into pixel art
Percolator - Percolator: the always fun, supremely unique photo app that is sure to surprise you! FEATURES:
PictureThat - Fill your walls with art and photos in AR 🎨
Mosaic Creator - Mosaic Creator is professional mosaic tool. You can create your own picture mosaic.
Da Vinci Eye - Learn to draw by using your phone to overlay images for you to trace
WidsMob Montage - Make stunning mosaic photos or montage shape with tiles, which supports both JPEG and PNG files.