PicTools lets you quickly manipulate your photo using a set of intuitive tools.  You may create your own effects by adjusting the RGB curves and overlaying another image with a blend mode of your choice. Among other things PicTools also offers crop and transform controls as well as the ability to save your image into a square format with white or black padding. This app is temporarily free and you can pick it up by clicking here. Feature List Real time color curves adjustment Preset curves that can be tweaked Save your own custom curves Overlays to give your photos texture Use your own photos as an overlay and set…