Retrica is a photo editor. It is available for free on Android at Google Play Store and iOS at app store. This is the best photo editor app it lets you apply many effects on your picture also it lets you to share it with a caption or a tag. You just need to open retrica and then select a picture from the gallery or click a picture instantly and also increase or decrease the brightness crop the picture and at the end apply effects that you want. There are you lots and lots and lots of effects that you can apply to your pictures. I personally use retrica photo editor for editing my pictures and also I am having a great experience and exposure till date. I recommend you old to download this app as the functions and features of this app are marvelous. Thank you all.