Top 10 Android Camera Apps
5. Aviary Photo Editor
It is not an app but a plug in that comes handy for editing photos or adding effects to it. You can buy expansions but the free features will be enough for you.
Price: Free
6. PicSay Pro
PicSay Pro is one of the easiest to use apps available. You can edit your photos and add effects without any hassles. As you try effects you get a thumbnail view of your edited photograph.
Price: 
206.59
