Snapseed is not your typical one-dimensional, tap-to-apply photo-editing app. No, this Google-made download is aimed at more-discerning photographers who need to get granular in their adjustments. You can use Snapseed to adjust photographic attributes like color levels, saturation, brightness, white balance, contrast, and more. Plus, the app lets you perform basics like straightening, cropping, and adding filters to photos. What's more, Snapseed employs a unique gesture-based interface that makes photo editing not only easy, but enjoyable. It might take a while to learn how to use the app, but trust me, it will be well worth it.