Retoucher

Retoucher is not a retouching software with high real accuracy. It is operation of basically copying the image of a certain place onto the different location.

Retoucher has two kinds of brushes. One of them is a copy brush. Would you do drag on a photograph, you can draw a touched point the photograph.
Another brush is a mosaic brush. When you touch brush button on the toolbar, The Brush Tools View will appear on the screen. You can select a mosaic brush. Its in the right side of the Brush Tools View.
If you dont like the photograph which was edited.
(1) You can undo the last operation by undo button.
(2) Pushing undo button twice takes the state back to at last undo operation.
(3) One more pushing undo button changes the image same as one after the step (1).

It can save a edited picture to iPhones Camera Roll.