There are many applications to edit and retouch photos on cell phones, but this is the best.

for my VSCO is the best application to edit photography on your mobile.

It has many functions such as increase and decrease exposure, contrast, saturation among others.

It also has more advanced functions to edit the frame and other parameters.

And the most notable is its long collection of filters to choose your taste, both free and paid.

really that this App has it all.

I invite you to try this app.