You can have plenty of fun with photo editing apps. Whether you want to make some crazy edits before posting on your social media or you want to add a professional touch, you should be able to do what you want with these photo editing apps.
This is a handy photo editor that was probably made for Google+. The reason for the suspicion over its creation is the fact they have made it very easy to post to Google+. It is one of the many photo editing apps that is tied to a social media network of sorts, but this one also happens to be very good at its job. It has plenty of features you can fiddle with to improve your images, and pretty much touches the limits of what you can do with a mobile device without spending thousands of dollars.