Little Photo - Little Photo: Add film and retouch effects to your photos.
This is free.
New effects will be added in updates.
Over 70 effects and tools
A World Of Photo - Loosely inspired by the traditional "Spin the Bottle", A World Of Photo is a casual, geo-multiplayer online game with with a social touch.
By spinning their mobile phone, players select a peer who will spontaneously take a picture using their mobile camera and send it to them
Android Slideshow Widget allows the user to construct a "photo frame"-style widget with multiple images that alternate after a set period of time. The user can choose from a 2x2 (small), a 3x3 (medium), or a 4x4 (large) size widget to place onto their home screen.
Usage
Long-click the home screen or press MENU and select Add to pull up the menu
Real Photo Editor -Real Photo Editor is a fun and powerful photo editor that lets you quickly crop, rotate, and fine-tune any picture.
You can create awesome Photo Effects of your photos using this app
pixlr express - More than 600 effects, overlays, and borders to personalize any image, free!
Pixlr Express is a fun and free photo editor that lets you quickly crop, re-size, and fix any picture, remove red-eye, and whiten teeth. Then choose from more than 600 effects, overlays, and borders to personalize any image—all for free
Sensor Camera is an Android app that can make you a better photographer. The application is based on the premise that a better composed image is superior to any photo enhanced with filters.
Sensor Camera focuses on composition, instead of playing around with settings like ISO, White balance, Exposure, Saturation, etc
Action Snap - Simple camera app fantastic for capturing action and movement.
Take multiple photos and combine
ActionSnap supports combining 4 or 9 photos. You can choose a time interval from 0.1s to 5s and start capturing photos by one click only, or you can use the custom mode to take photos one by one
FaceGoo Lite is the original fun photo app to stretch your photos in crazy ways!
FaceGoo is the original fun photo app that allows you to stretch and twist your photos in crazy ways! Use it to make your friends look silly or your enemies look fat
PhotoDroid is a photographers help tool.
The purpose is to help the photographer to take the perfect picture through values like the hyperfocal, the telescope limiting magnitude or the next moon rise (among others)