I'm optimizing my assets for my game and using TinyPNG on my background images (not stored in atlas) gives me way better file size with no perceived quality loss, however when adding the PNG into unity it shows the file size as being the exact same as my non-TinyPNG'd image. I know that unity imports images into textures so I'm not working with he actual PNG's and that is why. Does shrinking the files make any difference for my memory usage ?