Pixlr (formally Pixlr Express) is similar to Snapseed on some ways, but with a few other interesting features. It's fast and reliable with a good interface, although it can feel a little dated in places.

Features (from Google Play)

  • Photo collages with a variety of choices for layout, background, and spacing
  • Balance out color with Auto Fix
  • Layer multiple photos and blend them together using Double Exposure
  • Stylize your image to look like a pencil drawing, an ink sketch, a poster
  • Remove blemishes and red-eyes or to whiten your teeth.
  • Focus on one color with Color Splash or add impact with Focal Blur.
  • Effect packs and Overlays
  • Captions, text overlay with variety of fonts
  • Borders
  • Growing catalog of additional effects, overlays, and border packs
  • Keep track of your favorite effects and overlays with the Favorites button
  • Resize images quickly and easily after editing
  • Share your photo directly through Instagram, Facebook, Twitter, or email

Pixlr combines it's own camera app with a comprehensive editing tools and a collage maker. It offers a wide range of effects and borders, but is particularly useful in being able to combine multiple images and add borders and text overlays.

Best used for:

  • Double Exposures
  • Text overlays
  • Spot corrections (if small)
  • Borders