I would like to have the user take a photo with the app and then have the image saved in exact dimensions an saved file that can be printed on say a 4x6 images. For example if I want several wallet size photos to be printed on one sheet. I believe I need a third party service to process the photo an...

Is there any improved/easier way of doing this since this was written 1 year ago?

I was hoping that I could do this within appery.io without writing any code?

1) I would like to show the user where they must appear in the camera to take the photo

2) Is there an option to switch cameras -- i.e. front facing or back facing camera?

Thank!