Retrica is great!
You understand what the Retrica then? It is a photo app that allows you to apply different filters to your photos, like Instagram not. However, unlike Instagram
This app is free and is available for several platforms. Here are the different versions and links to articles where you will find more information to download it:
Retrica CameraRetrica for iPhone
Retrica for Android smartphones and tablets
Retrica for PC
Retrica for Blackberry
Link download Retrica: http://retricaapp.org/