I wish there were a history panel in Photoshop on the iPad as well as maybe a history of how often photoshops saves the file. I just had a situation where I flattened the layers to save as a flattened tiff, then went back in history in order to make sure the file saved with my layers in tact. However, when i went back in to view the file the file was flattened and there was no way to get my layers back to make future adjustments. Even if there was a “save as” panel where you can uncheck layers like is available on the desktop version. If anyone knows of a way to do this already, please let me know.